College Students' Expenditure on Coffee  A lounge-style cafe is planning to open a branch along Katipunan Avenue. Information gathered from all existing branches show that a new branch would be successful if each customer spends at least 350 pesos per visit with a standard deviation of 52 pesos. To discover if the prospective Katipunan branch would be successful, a survey of 300 students was conducted. The survey asked each respondent how much they would spend in a visit among other questions. The survey yielded an average spend per visit of 342 pesos. A) What is the standard deviation of the sampling distribution? Round to four (4) decimal places. B)What is the equivalent z-score of the sample mean? Round to two (2) decimal places. C) What is the equivalent z-score of the sample mean? Round to two (2) decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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College Students' Expenditure on Coffee 

A lounge-style cafe is planning to open a branch along Katipunan Avenue. Information gathered from all existing branches show that a new branch would be successful if each customer spends at least 350 pesos per visit with a standard deviation of 52 pesos. To discover if the prospective Katipunan branch would be successful, a survey of 300 students was conducted. The survey asked each respondent how much they would spend in a visit among other questions. The survey yielded an average spend per visit of 342 pesos.

A) What is the standard deviation of the sampling distribution? Round to four (4) decimal places.

B)What is the equivalent z-score of the sample mean? Round to two (2) decimal places.

C) What is the equivalent z-score of the sample mean? Round to two (2) decimal places.

 

 

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