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 =
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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