Find the 95 confidence interval for the difference in the mean costs of parking tickets in these two ...

Author Question: Find the 95 confidence interval for the difference in the mean costs of parking tickets in these two ... (Read 109 times)

lilldybug07

Hero Member
Posts: 546

on: Jun 24, 2018

Find the 95 confidence interval for the difference in the mean costs of parking tickets in these two cities.

A) 19.57 20.00
B) 19.57 20.38
C) 19.57 18.98
D) 19.57 17.68

Question 2

In order for the chi-square test of independence to be valid, the expected frequency in each cell of the contingency table should be at least 1.

Indicate whether the statement is true or false

Chelseyj.hasty

Sr. Member
Posts: 319

Reply #1 on: Jun 24, 2018

Answer to Question 1

B

Answer to Question 2

FALSE

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lilldybug07

Hero Member
Posts: 546

Reply #2 on: Jun 24, 2018

Thank you

Chelseyj.hasty

Sr. Member
Posts: 319

Reply #3 on: Jun 24, 2018

Happy to help you

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