We want to conduct a hypothesis test of the claim that the population mean dally profit of a convenience store is less than 594 dollars. So, we record the daily profit for a random sample of days. The sample has a mean of 615 dollars and a standard deviation of 75 dollars. For each of the following sampling scenarios, choose an appropriate test statistic for our hypothesis test on the population mean. Then calculate that statistic. Round your answers to two decimal places. (a) The sample has size 18, and it is from a population with a distribution about which we know very little. O² = Z Ot= O It is unclear which test statistic to use. (b) The sample has size 13, and it is from a normally distributed population with an unknown standard deviation. o z=0 O ot= O It is unclear which test statistic to use.
We want to conduct a hypothesis test of the claim that the population mean dally profit of a convenience store is less than 594 dollars. So, we record the daily profit for a random sample of days. The sample has a mean of 615 dollars and a standard deviation of 75 dollars. For each of the following sampling scenarios, choose an appropriate test statistic for our hypothesis test on the population mean. Then calculate that statistic. Round your answers to two decimal places. (a) The sample has size 18, and it is from a population with a distribution about which we know very little. O² = Z Ot= O It is unclear which test statistic to use. (b) The sample has size 13, and it is from a normally distributed population with an unknown standard deviation. o z=0 O ot= O It is unclear which test statistic to use.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:We want to conduct a hypothesis test of the claim that the population mean dally profit of a convenience store is less than 594 dollars. So, we record the daily
profit for a random sample of days. The sample has a mean of 615 dollars and a standard deviation of 75 dollars.
For each of the following sampling scenarios, choose an appropriate test statistic for our hypothesis test on the population mean. Then calculate that statistic.
Round your answers to two decimal places.
(a) The sample has size 18, and it is from a population with a distribution about which we know very little.
Z
O² =
Ot=
O It is unclear which test statistic to use.
(b) The sample has size 13, and it is from a normally distributed population with an unknown standard deviation.
o z=0
O
ot=
O It is unclear which test statistic to use.
O
31
A
0
US
Apr 17
5:33
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