The following data are from a completely randomized design. Treatment Treatment Treatment
A B C
32 47 33
30 46 36
30 47 35
26 49 36
32 51 40
Sample mean 30 48 36
Sample variance 6.00 4.00 6.50
a. At the
level of significance, can we reject the null hypothesis that the means of the three treatments are equal?

Compute the values below (to decimal, if necessary).

Sum of Squares, Treatment
Sum of Squares, Error
Mean Squares, Treatment
Mean Squares, Error
Calculate the value of the test statistic (to decimals).

The -value is
- Select your answer -

What is your conclusion?

- Select your answer -

b. Calculate the value of Fisher's LSD (to decimals).

Use Fisher's LSD procedure to test whether there is a significant difference between the means for treatments A and B, treatments A and C, and treatments B and C. Use .

Difference Absolute Value Conclusion

- Select your answer -

- Select your answer -

- Select your answer -
c. Use Fisher's LSD procedure to develop a confidence interval estimate of the difference between the means of treatments A and B (to decimals). Enter negative values as negative numbers.

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,
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