Answered: The table below gives beverage…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

100%

The table below gives beverage preferences for random samples of teens and adults.

	Teens	Adults	Total
Coffee	50	200	250
Tea	100	150	250
Soft Drink	200	200	400
Other	50	50	100
Total	400	600	1,000

We are asked to test for independence between age (i.e., adult and teen) and drink preferences. With a .05 level of significance, the critical value for the test is

a. 1.645

b. 7.815

c. 14.067

d. 15.507

The expected number of adults who prefer coffee is

a. 0.25

b. 0.33

c. 150

d. 200

The test statistic for this test of independence is

a. 0

b. 8.4

c. 62.5

d. 82.5

Using the information above. The conclusion of the test is that the

a. Age is independent of drink preference

b. Age is not independent of drink preference

c. test is inconclusive

d. None of these alternatives is correct.

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 5 steps with 5 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Chi-squared Tests$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions