In an effort to determine the most effective way to teach safety principles to a group of employees,
Four different methods were tried. Some employees were given programmed instruction booklets
And worked through the course at their own pace. Other employees attended lectures. A third
Group watched a television presentation, and a fourth group was divided into small discussion
Groups. A high of 10 was possible. Samples of ﬁve tests were selected from each group. The test
Grade results were:
Excel's summary results at the 0.05 level produce the following output:
Using this output, what conclusions can you draw?
A) Since the calculated F-value is larger than the F-critical value, and the P-value is so small, there is strong evidence to suggest that all teaching methods give equal test results.
B) Since the calculated F-value is smaller than the F-critical value, there is a signiﬁcant difference in the methods of teaching.
C) Since the calculated F-value is smaller than the F-critical value, there is no signiﬁcant difference in the methods of teaching.
D) Since the P-value is 0.001, there is a 10% chance of these results happening when there is no signiﬁcant difference in the methods of teaching.
E) Since the calculated F-value is larger than the F-critical value, and the P-value is so small, there is strong evidence to suggest that all teaching methods do not give equal test results

Question

In an effort to determine the most effective way to teach safety principles to a group of employees,
Four different methods were tried. Some employees were given programmed instruction booklets
And worked through the course at their own pace. Other employees attended lectures. A third
Group watched a television presentation, and a fourth group was divided into small discussion
Groups. A high of 10 was possible. Samples of ﬁve tests were selected from each group. The test
Grade results were: 
Excel's summary results at the 0.05 level produce the following output: 
Using this output, what conclusions can you draw?
A) Since the calculated F-value is larger than the F-critical value, and the P-value is so small, there is strong evidence to suggest that all teaching methods give equal test results. 
B) Since the calculated F-value is smaller than the F-critical value, there is a signiﬁcant difference in the methods of teaching. 
C) Since the calculated F-value is smaller than the F-critical value, there is no signiﬁcant difference in the methods of teaching. 
D) Since the P-value is 0.001, there is a 10% chance of these results happening when there is no signiﬁcant difference in the methods of teaching. 
E) Since the calculated F-value is larger than the F-critical value, and the P-value is so small, there is strong evidence to suggest that all teaching methods do not give equal test results

Quizplus · Accepted Answer

The Answer of In an effort to determine the most effective way to teach safety principles to a group of employees,
Four different methods were tried. Some employees were given programmed instruction booklets
And worked through the course at their own pace. Other employees attended lectures. A third
Group watched a television presentation, and a fourth group was divided into small discussion
Groups. A high of 10 was possible. Samples of ﬁve tests were selected from each group. The test
Grade results were: 
Excel's summary results at the 0.05 level produce the following output: 
Using this output, what conclusions can you draw?
A) Since the calculated F-value is larger than the F-critical value, and the P-value is so small, there is strong evidence to suggest that all teaching methods give equal test results. 
B) Since the calculated F-value is smaller than the F-critical value, there is a signiﬁcant difference in the methods of teaching. 
C) Since the calculated F-value is smaller than the F-critical value, there is no signiﬁcant difference in the methods of teaching. 
D) Since the P-value is 0.001, there is a 10% chance of these results happening when there is no signiﬁcant difference in the methods of teaching. 
E) Since the calculated F-value is larger than the F-critical value, and the P-value is so small, there is strong evidence to suggest that all teaching methods do not give equal test results

In an Effort to Determine the Most Effective Way to Teach