One way ANOVA test using SAS and analyzing the results
Not what you're looking for?
Use the values from the ANOVA table to test the Hypothesis etc.
From time to time, unknown to its employees, the research department at a commercial bank observes various employees for their efficiency. Recently, this department wanted to check whether four tellers at a branch of this bank serve, on average, the same number of customers per hour. The research assistant observed each of the four tellers for a certain number of hours in a given week. The following table gives the number of customers served by the four tellers during each of the observed hours.
Teller A Teller B Teller C Teller D
19 14 11 24
21 16 14 19
26 14 21 21
24 13 13 26
18 17 16 20
13 18
The following ANOVA table was generated from the sample results:
Source of Variation Sum of Squares Degrees of Freedom Mean Square F-ratio
Treatment or Factor SSF=?? k-1=?? MSF=??
Error SSE=?? N-k=?? MSE=??
Total SST=?? N-1=??
a) Copy the ANOVA table above and use a statistical software to compute the missing values of the ANOVA table.
b) Use the values from the ANOVA table to answer the following:
i. What hypothesis is being tested in the problem?
ii. What are the main assumptions of this model?
iii. What conclusion can you draw from the information in the ANOVA Table.
iv. Use the Tukey-Kramer procedure to find out which pairs are different.
Purchase this Solution
Solution Summary
The solution gives detailed steps on conducting a one way ANOVA test using SAS and analyzing the results. The Tukey-Kramer procedure is used to find out which pairs are different.
Solution Preview
Please check attachment
From time to time, unknown to its employees, the research department at a commercial bank observes various employees for their efficiency. Recently, this department wanted to check whether four tellers at a branch of this bank serve, on average, the same number of customers per hour. The research assistant observed each of the four tellers for a certain number of hours in a given week. The following table gives the number of customers served by the four tellers during each of the observed hours.
Teller A Teller B Teller C Teller ...
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.