Answer each of the following questions. Show all work.

1. Complete column 3 of the following table, which shows the amount of time job applicants took to complete an aptitude test..

The column 3 solution is:
Homework Time Number of Students Relative Frequency
(minutes) (f) (f/n)
0 to 5 0
6 to10 3
11 to 15 24
16 to 20 32
21 to 25 18
26 to 30 3

2. Construct an ordered stem-and-leaf diagram for the following data:

5. The following data are for a population. Find the mean and the standard deviation.

867 666 748 740
475 468 636

Solution Preview

Please find the solutions attached herewith.

Answer each of the following questions. Show all work.

1. Complete column 3 of the following table, which shows the amount of time job applicants took to complete an aptitude test..

The column 3 solution is:
Homework Time Number of Students Relative Frequency To find the relative frequencies, divide each frequency by the total number
(minutes) (f) (f/n)
0 to 5 0 0/80=0
6 to10 3 3/80=0.0375
11 to 15 24 24/80=3/10=0.3
16 to 20 32 32/80=4/10=0.4
21 to ...

Solution Summary

The solution creates a stem-and-leaf diagram and standard deviation for statistics.

... statistical test do you use in order to determine whether there is a difference in scores between the two aptitude tests? b. Complete the table Applicant Test ...

... see the attached files for the complete problem description ... were selected from among students of good aptitude and assigned ... the scores shown in the table above ...

... See the attached file for complete solution. ... b. 0.0001 See above table. ... X1) and the number of economics courses the employee successfully completed in college ...

... to preface the report; and a table of contents ... After all applicants have completed the evaluation process ... 28 August 2009, EBSCOhost, Academic Search Complete. ...

... IFAS Excel table IFAS narrative SFAS table SFAS narrative ... Once completed, I would compare those same ... via funds expended, percent complete, problems encountered ...

... (For a more-complete description of ... The following table lists the eight intelligences identified by ... age eight and up, include completing series, classifying ...

... user can edit the inputs and obtain the complete results for ... Let X be the score on the aptitude test. ... and from standard normal σ n 1.632993162 tables, we have ...

... Many researchers have used an aptitude measure to ... The continued narrow focus on "table exchanges", without a ... negotiators who failed to complete and submit a ...

... random variable is the num- ber of minutes to complete the form ... In the example just completed, we are interested in the ... See the note under Table 7-1 for ways of ...