# Question

(a) Why must the cf for the highest score in a sample equal N?

(b) Why must the sum of all f s in a sample equal N?

(b) Why must the sum of all f s in a sample equal N?

## Answer to relevant Questions

What is the difference between graphing a relationship as we did in Chapter 2 and graphing a frequency distribution? A researcher collected the following sets of data. For each, indicate the measure of central tendency she should compute: (a) The following IQ scores: 60, 72, 63, 83, 68, 74, 90, 86, 74, and 80; (b) The following error ...Assume that the data in question 25 reflect a highly skewed interval variable. (a) Compute the summaries of these scores. (b) What conclusion would you draw from the sample data? (c) What conclusion would you draw about the ...In Question 11: (a) What are the scores at — 1SX and + 1SX from the mean? (b) If N is 1000, how many people do you expect will score between 1.59 and 6.61? (c) How many people do you expect will score below 1.59? In two studies, the mean is 40 but in Study A, SX = 5, and in Study B, SX = 10. (a) What is the difference in the appearance of the distributions from these studies? (b) Where do you expect the majority of scores to fall in ...Post your question

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