QUESTION 49 1 POINT Lexie gets 2 3 likes per day on average

Last updated: 6/25/2023

QUESTION 49 1 POINT Lexie gets 2 3 likes per day on average on a Facebook ad she pays for with a standard deviation of 0 7 She decided to see if using a new ad would decrease her average She used the new ad for 15 days For those 15 days Lexie got an average 1 9 likes She wants to know if the new ad reduced her number of likes each day Lexie conducts a one mean hypothesis at the 10 significance level to test if the new ad helped her get more likes each day Ho p 2 3 H p 2 3 which is a left tailed test Determine the test statistic rounded to two decimal places Provide your answer below test statistic