Answer the following to summarize the test of the hypothesis that the two variables type of potential customer and choice of service plan feature are not related. For your test, use the 0.05 level of significance. (a)Determine the type of test statistic to use.Type of test statistic: ▼Chi-squareDegrees of freedom: 4(b)Find the value of the test statistic. (Round to two or more decimal places.) 7.486 (c)Find the critical value for a test at the 0.05 level of significance. (Round to two or more decimal places.) (d)Can we conclude that the variables type of potential customer and choice of service plan feature are related? Use the 0.05 level of significance. Yes No Choice of service plan featureFree calls to Free nightsFree long-otheranddistance andTotalcustomersweekendsroaming254389Single,working30.1447.1079.761570.8770.3571.070336596Married,Турe ofpotential37.2558.2098.55194workingcustomer0.4850.7950.066384269Retired28.6144.7075.891490.591]3.0820.163Total96150254500Part 2

Here we want to test whether the type of potential customer and choice of service plan…

Answered: Answer the following to summarize the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Answer the following to summarize the test of the hypothesis that the two variables type of potential customer and choice of service plan feature are not related. For your test, use the

0.05

level of significance.

(a)Determine the type of test statistic to use. Type of test statistic: ▼Chi-square	Degrees of freedom: 4
(b)Find the value of the test statistic. (Round to two or more decimal places.) 7.486
(c)Find the critical value for a test at the 0.05 level of significance. (Round to two or more decimal places.)
(d)Can we conclude that the variables type of potential customer and choice of service plan feature are related? Use the 0.05 level of significance. Yes No

Choice of service plan feature
Free calls to Free nights
Free long-
other
and
distance and
Total
customers
weekends
roaming
25
43
89
Single,
working
30.14
47.10
79.76
157
0.877
0.357
1.070
33
65
96
Married,
Турe of
potential
37.25
58.20
98.55
194
working
customer
0.485
0.795
0.066
38
42
69
Retired
28.61
44.70
75.89
149
0.591]
3.082
0.163
Total
96
150
254
500
Part 2

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