# Question

(a) What is the difference between a statistic and a parameter?

(b) What types of symbols are used for statistics and parameters?

(b) What types of symbols are used for statistics and parameters?

## Answer to relevant Questions

(a) Define the four scales of measurement. (b) What are continuous and discrete variables? (c) Which scales of measurement are usually assumed to be discrete and which are assumed to be continuous? (a) Poindexter says that Study A in problem 21 examines age scores as a function of weight scores. Is he correct? (b) He also claims that in Study C the researcher is asking, “For a given shoe size, what speed scores ...From the data 1,4, 5, 3, 2, 5, 7, 3, 4, and 5, Poindexter created the following frequency table. What five things did he do wrong? Organize the interval scores below in a table showing simple frequency, cumulative frequency, and relative frequency. (a) What is the advantage of computing relative frequency instead of simple frequency? (b) What is the advantage of computing percentile instead of cumulative frequency?Post your question

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