The table shown with this question counts the number of calls that arrive at a telephone help desk during the hours of 1 to 3 p.m. on 5 weekdays. The company uses the same number of employees to staff the center for each of these days. Test the null hypothesis that the calls are uniformly distributed over these days, agreeing with the staffing policy. (a) Find the degrees of freedom of x². (b) Find the expected number of calls on a Friday, if Ho holds. (c) Find the value of x² for testing Ho. (d) Find the p-value for testing Ho. (a) The number of degrees of freedom is 4. (b) The expected number of calls on a Friday if Ho holds is 195. (Type an integer or a decimal.) (c) The value of x² for testing H, is (Round to three decimal places as needed.) Monday Tuesday Wednesday Thursday Friday # Calls 205 190 220 180 180 0

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Author:Amos Gilat
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The table shown with this question counts the number of calls that arrive at a
telephone help desk during the hours of 1 to 3 p.m. on 5 weekdays. The
company uses the same number of employees to staff the center for each of
these days. Test the null hypothesis that the calls are uniformly distributed
over these days, agreeing with the staffing policy.
(a) Find the degrees of freedom of x².
(b) Find the expected number of calls on a Friday, if Ho holds.
(c) Find the value of x² for testing Ho.
(d) Find the p-value for testing Ho.
(a) The number of degrees of freedom is 4.
(b) The expected number of calls on a Friday if Ho holds is 195.
(Type an integer or a decimal.)
(c) The value of x² for testing Ho is
(Round to three decimal places as needed.)
Monday
Tuesday
Wednesday
Thursday
Friday
# Calls
205
190
220
180
180
0
Transcribed Image Text:The table shown with this question counts the number of calls that arrive at a telephone help desk during the hours of 1 to 3 p.m. on 5 weekdays. The company uses the same number of employees to staff the center for each of these days. Test the null hypothesis that the calls are uniformly distributed over these days, agreeing with the staffing policy. (a) Find the degrees of freedom of x². (b) Find the expected number of calls on a Friday, if Ho holds. (c) Find the value of x² for testing Ho. (d) Find the p-value for testing Ho. (a) The number of degrees of freedom is 4. (b) The expected number of calls on a Friday if Ho holds is 195. (Type an integer or a decimal.) (c) The value of x² for testing Ho is (Round to three decimal places as needed.) Monday Tuesday Wednesday Thursday Friday # Calls 205 190 220 180 180 0
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