The following are prices of a sanitizer sold at a few selected stores in a District A during theCOVID-19 pandemic. Based on the sample data, at 0.05 level of significance, can weconclude the average price of the sanitizer in District A is RM10.50? Make your conclusionusing the p-value approach, with the aid of Microsoft Office EXCEL. RM10.00, RM11.50, RM9.70, RM11.20, RM10.70, RM10.20, RM9.70

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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The following are prices of a sanitizer sold at a few selected stores in a District A during the
COVID-19 pandemic. Based on the sample data, at 0.05 level of significance, can we
conclude the average price of the sanitizer in District A is RM10.50? Make your conclusion
using the p-value approach, with the aid of Microsoft Office EXCEL.


RM10.00, RM11.50, RM9.70, RM11.20, RM10.70, RM10.20, RM9.70

Expert Solution
Step 1

Given:

Statistics homework question answer, step 1, image 1

sample size(n)=7

Sample mean:

x=i=1nxin=737=10.42857

Sample standard deviation (s):

s=i=1n(xi-x)2n-1=3.1142857147-1=0.72045

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