Multiple Choice
A technical support call center works every day, including weekends and public holidays. In order to test the expediency of working in weekends and public holidays, it is necessary to compare the intensity of calls coming to the call center within one working hour on a working day, on a weekend and on a public holiday. Three random samples of the numbers of calls received during an hour for working days, weekends and holidays were randomly generated. These samples can be considered representative for the population. The summary data are presented below. Carry out an ANOVA F test and interpret the results using the 95% confidence level.
A) ,
,
, and P-value is less than 0.05.We reject the null hypothesis and can conclude that the average number of calls is not the same for different types of days.
B) ,
,
, and P-value is greater than 0.05.We do not reject the null hypothesis and can conclude that the average number of calls is the same for different types of days.
C) ,
,
, and P-value is less than 0.05.We reject the null hypothesis and can conclude that the average number of calls is not the same for different types of days.
D) ,
,
, and P-value is greater than 0.05.We do not reject the null hypothesis and can conclude that the average number of calls is the same for different types of days.
Correct Answer:

Verified
Correct Answer:
Verified
Q13: The two main human blood group systems
Q14: Below are the input data for four
Q15: Professor is interested if the average scores
Q16: Meteorologists study the climate of Texas. Using
Q17: A researcher wants to find out if
Q19: A researcher wants to know if people
Q20: At a large construction website, a construction
Q21: Before releasing a new product, a small
Q22: When issuing a textbook, there is always
Q23: A graduate student of the college conducted