Are phone calls equally likely to occur any day of the week? The day of the week for each of 434 randomly selected phone calls was observed. The results are displayed in the table below. Use an a = 0.05 significance level. a. Complete the rest of the table by filling in the expected frequencies: Frequencies of Phone Calls for Each Day of the Week Expected Frequency Outcome Frequency Sunday 66 Monday 65 Tuesday 38 Wednesday 73 Thursday 67 Friday 70 Saturday 55 b. What is the correct statistical test to use? Goodness-of-Fit c. What are the null and alternative hypotheses? Но: Phone calls and days of the week are independent. Phone calls and days of the week are dependent. The distribution of phone calls is uniform over the days of the week. | The distribution of phone calls is not uniform over the days of the week. H1: The distribution of phone calls is not uniform over the days of the week. Phone calls and days of the week are dependent. Phone calls and days of the week are independent. The distribution of phone calls is uniform over the days of the week. d. The degrees of freedom = e. The test-statistic for this data =

Are phone calls equally likely to occur any day of the week? The day of the week for each of 434 randomly selected phone calls was observed. The results are displayed in the table below. Use an a = 0.05 significance level. a. Complete the rest of the table by filling in the expected frequencies: Frequencies of Phone Calls for Each Day of the Week Expected Frequency Outcome Frequency Sunday 66 Monday 65 Tuesday 38 Wednesday 73 Thursday 67 Friday 70 Saturday 55 b. What is the correct statistical test to use? Goodness-of-Fit c. What are the null and alternative hypotheses? Но: Phone calls and days of the week are independent. Phone calls and days of the week are dependent. The distribution of phone calls is uniform over the days of the week. | The distribution of phone calls is not uniform over the days of the week. H1: The distribution of phone calls is not uniform over the days of the week. Phone calls and days of the week are dependent. Phone calls and days of the week are independent. The distribution of phone calls is uniform over the days of the week. d. The degrees of freedom = e. The test-statistic for this data =

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Description: Are phone calls equally likely to occur any day of theweek? The day of the week for each of 434 randomlyselected phone calls was observed. The results aredisplayed in the table below. Use an a =0.05 significance level.a. Complete the rest of the tab

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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Concept explainers

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

Topic Video

Question

Are phone calls equally likely to occur any day of the
week? The day of the week for each of 434 randomly
selected phone calls was observed. The results are
displayed in the table below. Use an a =
0.05 significance level.
a. Complete the rest of the table by filling in the
expected frequencies:
Frequencies of Phone Calls for Each Day of
the Week
Expected
Frequency
Outcome Frequency
Sunday
66
Monday
65
Tuesday
38
Wednesday 73
Thursday 67
Friday
70
Saturday 55
b. What is the correct statistical test to use?
Goodness-of-Fit
c. What are the null and alternative hypotheses?
Но:
Phone calls and days of the week are
independent.
Phone calls and days of the week are
dependent.
The distribution of phone calls is
uniform over the days of the week.
The distribution of phone calls is not
uniform over the days of the week.
H1:
The distribution of phone calls is not
uniform over the days of the week.
Phone calls and days of the week are
dependent.
Phone calls and days of the week are
independent.
|The distribution of phone calls is
uniform over the days of the week.
d. The degrees of freedom
e. The test-statistic for this data =

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