Questions

means True O False Question 3 independent measures t test states that there is no difference between the two sample If the two samples are the same size then the pooled variance will equal the average of the two sample variances 0 5 pts

O Increase the likelihood of rejecting Ho and decrease measures of effect size Decrease the likelihood of rejecting Ho and increase measures of effect size Increase the likelihood of rejecting Ho and increase measures of effect size Decrease the likelihood of rejecting Ho and decrease measures of effect size Question 9 0 5 p One sample has n 7 scores with SS 40 and a second sample has n 5 scores with SS 80 The pooled variance for these two samples is 120 10 12 False

Use the LCD to solve the following rational equations 3 1 18 a x 1 x 9 x2 8x 9

expect between the two sample means if the null hypothesis is true True False ence is reasonable to D D Question 20 0 5 pts For an independent measures research study the data show an 8 point difference between the two treatment means and a pooled variance of 4 Given this information what is the value of Cohen s d 8 2 4 8

difference between two populations or between two different treatment conditions False True Question 5 0 5 pts If one sample has n 5 scores with SS 40 and a second sample has n 5 scores with SS 20 then the pooled variance will be 60 10 6

estimate standard error for the independent measures t statistic provides a measure of how much difference should exist on average between two sample means for samples selected from the same population True O False Question 18 0 5 pts An independent measures study produces t 21 3 00 p 01 For this study if effect size is measured with r then r 9 30 False

7 Draw the floral diagram and write the floral formula for the flower below Q8 Delete this text and fill in your answer here 8 Of the two orders covered in today s lab to which order does this flower most likely belong Delete this text and fill in your answer here

Simplify the rational expression 52 10 2 4 3x 6 x2 4x 4 A 15 x 2 B 5 x 2 3 x 2 C 15 x 2 x 2 D 5 x 2 3 x 2

Solve 64 16

Solve 63 6 x

Solve 625 1252m 2 514 m

Solve the equation 4 4 1 n

Purchases Budget Rest Inn provides four star accommodations for the vacation traveler It is located just off a major interstate freeway There are three other competing motels at the same exit Hotel management is preparing its budget for the busiest three month period of the year June through August To differentiate themselves from the competition Rest Inn provides a complimentary spa package for each guest stay that includes specialty shampoo conditioner soap lotion toothpaste lavender essential oil slippers earplugs and a sleep mask Rest Inn purchases the spa package from a local vendor that puts the Rest Inn private label on the products The hotel follows a policy of purchasing enough spa packages to ensure that 40 of next month s bookings are in the current month s ending inventory Rest Inn s sales budget for guest stays for the next quarter is as follows June 2 500 guest stays July 2 700 guest stays August 2 300 guest stays How many spa packages should Rest Inn budget for purchase in July sna packages

FLUENCY 1 The point 2 7 is a solution to the system of equations given below a Show that this point is a solution 3x 2y 20 3c2 207 20 6 1920 2 7 5 x y 5 b Add the two equations together and show that 2 7 is a solution to the result

7 Graph the function f x 3 27 24 21 18 15 12 9 6 2 3 X

9 Determine the zeros and their multiplicities for the given functions Use the leading term to determine the end behavior of the graph of the function Find X Y intercepts and then graph the function g x x 2x 3 x 4

Solve the system using addition elimination method If there is exactly one solution write as an ordered pair If not choose one of the other options I 4y 11 12y 36 4x One solution No solution Infinite number of solutions Video 1 Video 2 Message instructor

4 Use Synthetic division to determine if x 4 is a factor of f x 6x 11x 60x 32

1 a A one to one function is given Write an equation for the inverse function g x 3x 17

2 a Use your calculator to find the approximate value Round the answer to 4 decimal places Log 45 log b Evaluate c Simplify log 1 d Simplify In e

8 The monthly profit for a small company that makes long sleeve T shirts depends on the price per shirt If the price is too high sales will drop If the price is too low the revenue brought in may not cover the cost to produce the shirts After months of data collection the sales team determines that the monthly profit is approximated by f p 50p 1700p 12 000 where p is the price per shirt and f p is the monthly profit based on that price a Find the price that generates the maximum profit b Find the maximum profit c Find the price s that would enable the company to break even

Marijuana should not be legalized in the U S because smoking is morally wrong What if anything is wrong with this thesis statement select all that apply O nothing is wrong with this thesis O too vague O not declarative opinionated

Whitney s Inc sells on terms of 5 discount for cash and carry or 2 10 n 30 and estimates its total sale second calendar quarter of next year as follows April 900 000 May 720 000 and June 1 080 000 An ar operations indicates the following customer collection patterns In month of sale Cash at time of sale On account during discount period Portion of Total Sales 25 15 10 On account after discount period In month following sale On account during discount period 20 On account after discount period 10 In second month following sale On account after discount period 15 Average portion uncollectible 5 100 Prepare an estimate of the cash to be collected from customers during June Estimated Collections from Customers in June April Sales On account no discount May Sales On account no discount On account with discount June sales On account no discount On account with discount Cash Total estimated June collections

Consider the system of equation x 4y 13 3x 2y 19 a Multiply both sides of the second equation by 2 What equation results b Add the equation from a to the first equation What happens What can you now solve for c Now that you know the value of x how can you find the value of y Find it d What could you have multiplied both sides of the first equation by to eliminate the x instead of the y

Antidifferentiate using the table of integrals You may need to transform the integrand first sec sec a dx tan x tan x tan x C 3

Antidifferentiate using the table of integrals You may need to transform the integrand first 1 sin 4t cos 5t dt cos 9t 1 2 cos t 9

Find the preimage of under the transformation H 2 8 O 2 3 2 4 Solve the equa

A young channel catfish weighs about 0 5 pounds During the next 8 weeks its weight increases by about 25 each week Predict what the weight would be after 5 weeks Round to 2 decimals lbs

Use a computer algebra system to analyze and graph the function f x 5x 2 V x x 3 dentify any relative extrema and points of inflection If an answer does not exist enter DNE relative minimum x y elative maximum x y point of inflection x y Find the equations of the asymptotes Enter your answers as a comma separated list of equations If an answer does not exist enter

1 The angle of elevation of the sun is decreasing at rad h How fast is the shadow cast by a building of 4 height 54 m lengthening when the angle of elevation of the sun is 4

Use the figure to solve triangle ABC Round lengths of sides to the nearest tenth and angle measures to the nearest degree Find the angles of triangle ABC Round to the nearest degree as needed A B Round to the nearest degree as needed C Round to the nearest degree as needed 19 214 B 27 125 36 8

Use the triangle to find each of the six trigonometric functions of 0 A 5 B 0 C 12

how would i find x and y 60 45 C

A retirement account is opened with an initial deposit of 9 500 and earns 8 16 interest compounded monthly What will the account be worth in 40 years Round your answer to the nearest cent

man 11 One card is randumly drakin from a Standard deck of 52 cards find the that the card is a black 9 probability

7 Given the clata set beloxi find the percentile rank for the value X 11 using the formula pranded CA 10 11 13 14 28 25 31 40 P number of values belovi 0 05 100 Total number of values

12 Use a combincition of a permutation to anokier the following Hove many ways can a teacher select 5 students from a class of 23 Stundents to create a bulletin board clisplay

3 The data beloki shokis the ages in months all and 25 beso is a pet shelter a population Compuite for the data the range Standard deviation Mariance and quartiles Q1 Q2 Q3 34 87 104 21 12 42 4 43 11 87 20 74 113 123 87 75 93 24 3 70 14 110 65 114 7 75

e The mean of a chistribution is 34 and Standard clasicition is 5 Compute 2 score for the value x 17

5 The mean of a distribution is the and the Standard deviation is 5 Use Chebyshev s Theorem And the formula 1 1 K to determine the minimum perantage of values that fall between 4 and 24 le

The partial fraction decomposition of 34x 38 12x225x7 is

Find the x and y intercepts of the graph Do not graph the equation y x 25 x intercept smaller x value x y x intercept larger x value x y y intercept x y

A triangle has sides with lengths 5 12 and 13 a Verify this is a Pythagorean triple show work or clearly explain b Approximate the acute angles in this triangle Round angles to the nearest tenth smallest angle

children are surveyed The ages of the children are 1 3 and 8 Assume that samples of size n 2 are randomly selected with replacement from the population of 1 3 and 8 Listed are the nine different samples Complete parts a through d 1 1 1 3 1 8 3 1 3 3 3 8 8 1 8 3 8 8 a Find the value of the population variance o Round to three decimal places as needed

Find the EXACT lengths of the missing leg and hypotenuse A note on EXACT answers If your answer has a radical for example leave the radical in your answer If it is fraction don t round it as a decimal 8 m 45 n

swer 10 5 ecting an option will display any text boxes needed to complete your answer Increasing on one interval Decreasing on one interval Constant on one interval Increasing on one interval and Decreasing on another Increasing on two intervals A Decreasing on Decreasing on

Select all true equations cos 37 sin 53 tan 37 tan 53 sin 37 cos 53 sin 37 sin 53 cos 0 sin 90 0

K When two births are randomly selected the sample space for genders is bb bg gb and gg Assume that those four outcomes are equally likely Construct a table that describes the sampling distribution of the sample proportion of girls from two births Does the mean of the sample proportions equal the proportion of girls in two births Does the result suggest that a sample proportion is an unbiased estimator of a population proportion For the entire population assume the probability of having a boy is the probability of having a girl is and this is not affected by how many boys or girls have previously been born 1 1 Determine the probabilities of each sample proportion Sample proportion of girls Probability Type integers or simplified fractions

2 The cata below Shoko the number of downloads per kleek of a particular song for a sample of 10 weeks Compute the mean median mode and midrange 2

Kiran is flying a kite He gets tired so he stakes the kite into the ground The kite is on a string that is 12 feet long and makes a 45 degree angle with the ground How high is the kite 45 12 ft 8 49 ft 16 97 ft 7 ft 12