Independent random samples taken on two university campuses revealed the following information concerning the average amount of money spent on textbooks during the fall semester. The population standard deviations are also shown below. University A University B Sample Size 50 40 Average Purchase $260 $270 Standard Deviation (σ) $23 $20 We want to determine if, on the average, students at University A spent less on textbooks than the students at University B. What is the test statistic? (Round to the 3 decimal places; otherwise, no credit.)
Independent random samples taken on two university campuses revealed the following information concerning the average amount of money spent on textbooks during the fall semester. The population standard deviations are also shown below. University A University B Sample Size 50 40 Average Purchase $260 $270 Standard Deviation (σ) $23 $20 We want to determine if, on the average, students at University A spent less on textbooks than the students at University B. What is the test statistic? (Round to the 3 decimal places; otherwise, no credit.)
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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Independent random samples taken on two university campuses revealed the following information concerning the average amount of money spent on textbooks during the fall semester. The population standard deviations are also shown below.
|
University A |
University B |
|
50 |
40 |
Average Purchase |
$260 |
$270 |
Standard Deviation (σ) |
$23 |
$20 |
We want to determine if, on the average, students at University A spent less on textbooks than the students at University B.
What is the test statistic? (Round to the 3 decimal places; otherwise, no credit.)
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