High School Statistics Questions

x so there are probably 640 yellow marbles in the bag Follow th examples above for entering information in the blanks The second blank should show what is multiplied in order to 640 yellow marbles Remember to use for fractions and for multiplication Do not use any spaces

4 For the polynomials in the first column determine the degree of each polynomial and tick the correct option Polynomial 884 686 83 12s 248 8 s 25 584 s 78 586 28 6 O O OOOOO 00000 c

Given the polynomial function z x 2 1 match each zero with its multiplicity 0 2 1 3 2 DRAG DROP THE ANSWE

9 What is the Quadratic Regression Formula Aya By mx b Cy ax bx c Y1 mx1 b

1 Question 1 14 Is this graph even or odd 2 ty Even B Odd 0 NEXT BOOKMARK

4 Heights of adult women have a mean of 63 6 in and a standard deviation of 2 5 in Does Chebyshev s Theorem say about the percentage of women with heights between 58 6 in and 68 6 in

1 A proud mother tells you that today her child is 1 209 600 s old What is the age of the child in days Show your work and make sure your answer has appropriate units U 03 U 05 U 13

2 The density of water is 997 kg m Convert the density of water to units of pounds per cubic foot lb ft Show your work and make sure your final answer has appropriate units U 03 U 04 U 05 U 13

Unit 5A Quadratic Inequality Remediation Assignment Maximum of 20 Points Highest grade a 70 Directions You can complete this assignment for a maximum of 20 points or a 70 In order to receive full credit all work must be shown The answers must be written in complete sentences You may choose 5 out of 7 problems 4 pts each Show all work and write your answer mathematically and in words DUE DATE Monday February 12 2024 during your class period NO LATE WORK ACCEPTED 1 A ball is thrown vertically upward with an initial velocity of 96 feet per second The distance s in feet of the ball from the ground after t seconds is s t 96t 16t a How many seconds will it take for the ball to strike the ground b Use interval notation to indicate the time s t where the ball is more than 128 feet above the ground 2 A scientist records the motion of a dolphin as it jumps from the water The function h t 16t 32t models the dolphin s height in feet above the water after t seconds Show all work and write your answer mathematically and in words Write and solve an inequality to determine when the dolphin is above 10 feet 3 A firework is shot straight up into the air with an initial velocity of 500 feet per second from 5 feet off the ground The function modeling the path of the firework is h t 16t 500t 5 where h t is the height in feet t seconds after it is shot in the air Show all work and write your answer mathematically and in words a At what time will the fireworks hit the ground b Write and solve an inequality that represents when the firework is at or above 2500 feet

4 The height in feet of a football that is kicked can be modeled by the function f x 16x 64x where x is the time in seconds after it is kicked Show all work and write your answer mathematically and in words a For what time s t is the ball above a height of 48 feet above the ground 5 An object is launched from ground level directly upward at a rate of 144 feet per second The object s height can be modeled with the function h t 16t 144t Show all work and write your answer mathematically and in words a What values of t is the object at or above a height of 288 feet b How long is the object at or above 288 feet 6 The function g t 2 23 7t 4 9t models the height in meters of a pumpkin t seconds after it has been launched from a catapult Show all work and write your answer mathematically and in words Write and solve a quadratic inequality that represents when the pumpkin is within 15 feet from the ground 7 The path of a large stone fired from a catapult can be modeled by the equation y 00545x 1 145x where x is the distance in yards and y is the height in yards Use a graph to answer the following Find the maximum height of the stone Find the distance s x when the height is greater than 50 yards

If the variation in the residuals is less than the variation in the response variable then the model does not explain some of the variability in the response the model explains some of the variability in the response there is an error in process

If we determine that r is strong r 2 is high and sis small we can conclude that x causes y the data may be linearly associated a linear model is better than a non linear model

10 1 point Which is an example of a continuous random variable Number of employees Defective pens Height of all sophomores Teachers at the conference 00

According to the box and whisker plot shown what is the value of quartile 3 Items Sold Each Month 30 50 30 41 35 40 45 50 55 60 65

7 1 point Rob and Jim are used car salesmen Below are histograms representing the number of cars per week each man sold over 14 weeks Based on the histograms Jim sold more cars than Rob 7 True False Rob s Car Sales 4 7 6 12 Jim s Car Sales 1 1 4 5 T 6

2 The following data were collected about a student s study time and the grades on their test 0 5 1 1 2 75 Hours 2 3 1 7 4 25 2 Grade 85 83 93 78 3 2 2 1 95 80 3 3 91 60 75 87 Write the equation of the line or curve of best fit Make sure you chose the correct regression on the calculator round to the nearest tenth

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