Microsoft Office Tutorials and References

In Depth Information

Fig. 4.6
Worksheet Data for

Chapter 4: Practice Problem

#2

study eight years ago, the average length of the mating call in this type of frog

was 160 msec. You have collected data and want to test your Excel skills on a

small sample before you try to analyze the data from a much larger sample. The

hypothetical data appear in Fig.
4.7
.

(a) Write the null hypothesis and the research hypothesis on your spreadsheet

(b) Use Excel to ﬁnd the sample size, mean, standard deviation, and standard

error of the mean to the right of the data set. Use number format (2 decimal

places) for the mean, standard deviation, and standard error of the mean.

(c) Enter the critical t from the t-table in Appendix E onto your spreadsheet, and

label it.

(d) Use Excel to compute the t-value for these data (use 2 decimal places) and

label it on your spreadsheet

(e) Type the result on your spreadsheet, and then type the conclusion in plain

English on your spreadsheet

(f) Save the ﬁle as: FROG3

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