Question

The average take-out order size for Curry House restaurant is shown. Is average order size more on Saturday Night than Friday Night?                                                 α = 0.1

	Friday Night	Saturday Night
Average Order Size	$32.30	$37.60
Standard Deviation	$3.3	$4.2
Number of Orders Sampled	17	15

Ho:_____________

           

Ha:_____________

Test Statistics: _______________________

Decision Rule: _______________________

Decision: _____________________

Interpretation: ___________________

Answer 1

Given :

For Friday night

1 = 32.30

s1 = 3.3

n1 = 17

For Saturday night

2 = 37.60

s2 = 4.2

n 2 = 15

Hypotheses test

Ho : 1 = 2. ( Ho : 1 2 )also correct

Ha : 1 > 2

interpretation

we do not have sufficient evidence to conclude that it average order size more on Saturday night than Friday night.