Employers want to know which days of the week employees are absent in a five-day work...
Employers want to know which days of the week employees are absent in a five-day work week. Most employers would like to believe that employees are absent equally during the week. Suppose a random sample of 70 managers were asked on which day of the week they had the highest number of employee absences. The results were distributed as in Table. For the population of employees, do the days for the highest number of absences occur with equal frequencies during...
Employers want to know which days of the week employees are absent in a five-day work week. Most employers would like to believe that employees are absent equally during the week. Suppose a random sample of 91 managers were asked on which day of the week they had the highest number of employee absences. The results were distributed as in Table. For the population of employees, do the days for the highest number of absences occur with equal frequencies during...
4 (15) A random sample of 100 student absences yielded the following data on the days of the week of which the absences occurred: Monday Tuesday Wednesday Thursday Friday 19 13 Day Observed Frequency 27 26 15 Test the hypothesis that an absence is equally likely to oceur on any of the five days. What lusions? Use the 5 percent level of significance. is 4 (15) A random sample of 100 student absences yielded the following data on the days...
Are phone calls equally likely to occur any day of the week? The day of the week for each of 651 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 Outcome Frequency Expected Frequency Sunday 90 Monday 93 Tuesday 97 Wednesday 79 Thursday 89 Friday...
A teacher claims that the number of absent students in her class on each day of the week are equal. The following table gives the number of observed absents of students during week days: 3. Days Monday Tuesday Wednesday Thursday Friday Saturday Total No. of Absents 141812111 14 84 Test the claim at 5% level of significance that absents occur with equal proportions during the week. (Table Value: (0.05.5)
Does it seem to you that people tend to be absent more on some days of the week than on others? Recently, a major biotechnology firm collected data with the hope of determining whether or not its employees were more likely to be absent (due to personal reasons or illness) on some weekdays than on others. The firm examined a random sample of 150 employee absences. The distribution of these 150 absences is shown in Table 1 below. The observed...
Day of the Week # of Employees Absent Monday 14 Tuesdsay 11 Wednesday 10 Thursday 9 Friday 14 Saturday 13
The following table represents the number of absences on various days of the week at an elementary school. Monday Tuesday Wednesday Thursday Friday 45 32 17 25 38 Identify the critical value for a goodness-of- fit test, assuming a 0.05 significance level. = 11.071 =7.815 =9.488 r? =5.991
Are phone calls equally likely to occur any day of the week? The day of the week for each of 504 randomly selected phone calls was observed. The results are displayed in the table below. Use an αα = 0.05 significance level. Complete the rest of the table by filling in the expected frequencies: Frequencies of Phone Calls for Each Day of the Week Outcome Frequency Expected Frequency Sunday 56 Monday 52 Tuesday 61 Wednesday 92 Thursday 73 Friday...
Are phone calls equally likely to occur any day of the week? The day of the week for each of 525 randomly selected phone calls was observed. The results are displayed in the table below. Use an αα = 0.05 significance level. Complete the rest of the table by filling in the expected frequencies: Frequencies of Phone Calls for Each Day of the Week Outcome Frequency Expected Frequency Sunday 80 Monday 73 Tuesday 69 Wednesday 71 Thursday 80 Friday...