Math  /  Data & Statistics

QuestionIn a survey on 50 gas stations in an area, the mean cost of regular gas was $1.95\$ 1.95 per gallon. Was this cost less than the national average cost of $2.00\$ 2.00 where the assumed known standard deviation is $0.20\$ 0.20 per gallon? Use a 1%1 \% significance level. I What is the value of the TEST STATISTIC?
Note: Enter XXX.XX AT LEAST ONE DIGIT BEFORE THE DECIMAL, TWO AFTER and round up. Thus, 134.784 is entered as 134.78,35.295134.78,35.295 is entered as 35.30,.274935.30, .2749 is entered as 0.27,.56500.27,-.5650 is entered as -0.57 . A

Studdy Solution
The value of the test statistic is 1.77-1.77.

View Full Solution - Free
Was this helpful?

Studdy solves anything!

banner

Start learning now

Download Studdy AI Tutor now. Learn with ease and get all help you need to be successful at school.

ParentsInfluencer programContactPolicyTerms
TwitterInstagramFacebookTikTokDiscord