Are phone cals equally likely to occur any day of the week? The day of the week for each of 616 randomly se lected phone calls was observed. The resuls are displayed in the table belone Use an a = 0.10 significance level. a. Complete the rest of the table by filling in the expected frequencies: Frequencies of Phone Calh for Each Day of the Week Outcome Frequency Expected Fraquency Sunday 81 Monday 67 98 Wednesday 82 Tuesday Tharsday 115 Friday Saturday a5 b. What is the corect statistical w o une? Select an answ c. What are the mall and ahernative hypothees? O The diseribution of phone calh is uniform over the days of the week O The disrbution of phone cals is not umiform over the days of the week. O Phone cals and days of the week are independent. O Phone calls and days of the week are dependest O Phone cals and days of the week are independent O Phone calls and days of the week are dependent The distribution of phone cals is not uniform over the days of the week. O The distribution of phone cals is uniform over the days of the week

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Are phone calls equally likely to occur any day of the week? The day of the week for each of 616 randomly selected phone calls was observed. The results are displayed in the table below.  Use an αα = 0.10 significance level.

Are phone cals oqually likely to occur any day of the woek? The day of the woek for each of 616 randomly
selected phone calls was observed. The resus are displayedin the table belone Use an a = 0.10 significance
lovel.
a. Complete the rest of fhe table by filing ine expected frequencies
Frequencies of Phome Calls for Each Day of the
Week
Outcome Frequency Expected Fraquency
Sunday 81
Monday 67
Tuesday 98
Wednesday 82
Thursday 115
Friday
88
Saturday
85
b. What is the correct statistical sest to use?
Select an answer
c. What are the mall and ahernative bypotheses?
Họ:
O The distribution of phone cals is miform over fhe days of the woek
O The distribution of påone calls is not umiform over fhe days of the week.
O Phone calk and days of ie woek are independent
O Phone cals and days of fie veek are dependent
H1:
O Phone calls and days of the week are independent.
O Phone cals and days of the woek are dependent
O The distribution of phone calls is not uiform over the days of the week
O The distribution of phone calls is miform over the days of the week.
d. The degrees of freedom =
e. The test-statistic for this data
(Please show your aner to three decimal places.)
Transcribed Image Text:Are phone cals oqually likely to occur any day of the woek? The day of the woek for each of 616 randomly selected phone calls was observed. The resus are displayedin the table belone Use an a = 0.10 significance lovel. a. Complete the rest of fhe table by filing ine expected frequencies Frequencies of Phome Calls for Each Day of the Week Outcome Frequency Expected Fraquency Sunday 81 Monday 67 Tuesday 98 Wednesday 82 Thursday 115 Friday 88 Saturday 85 b. What is the correct statistical sest to use? Select an answer c. What are the mall and ahernative bypotheses? Họ: O The distribution of phone cals is miform over fhe days of the woek O The distribution of påone calls is not umiform over fhe days of the week. O Phone calk and days of ie woek are independent O Phone cals and days of fie veek are dependent H1: O Phone calls and days of the week are independent. O Phone cals and days of the woek are dependent O The distribution of phone calls is not uiform over the days of the week O The distribution of phone calls is miform over the days of the week. d. The degrees of freedom = e. The test-statistic for this data (Please show your aner to three decimal places.)
f. The p-value for this sample =
|(Please show your answer to four decimal places.)
g. The p-value is Select an answer
h. Based on this, we should Select an answer
i. Thus, the final conclusion is.
O There is sufficient evidence to conclude that the distribution of phone calls is not uniform
over the days of the week.
O There is sufficient evidence to conclude that phone calls and days of the week are
dependent.
O There is insufficient evidence to conclude that the distribution of phone calls is not uniform
over the days of the week.
O There is sufficient evidence to conclude that the distribution of phone calls is uniform over
the days of the week.
O There is insufficient evidence to conclude that phone calls and days of the week are
dependent.
Transcribed Image Text:f. The p-value for this sample = |(Please show your answer to four decimal places.) g. The p-value is Select an answer h. Based on this, we should Select an answer i. Thus, the final conclusion is. O There is sufficient evidence to conclude that the distribution of phone calls is not uniform over the days of the week. O There is sufficient evidence to conclude that phone calls and days of the week are dependent. O There is insufficient evidence to conclude that the distribution of phone calls is not uniform over the days of the week. O There is sufficient evidence to conclude that the distribution of phone calls is uniform over the days of the week. O There is insufficient evidence to conclude that phone calls and days of the week are dependent.
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