# Question: a Why does random sampling produce representative samples b Why does

(a) Why does random sampling produce representative samples?

(b) Why does random sampling produce unrepresentative samples?

(b) Why does random sampling produce unrepresentative samples?

**View Solution:**## Answer to relevant Questions

In the population of typical college students, µ = 75 on a statistics final exam (σx = 6.4) .For 25 students who studied statistics using a new technique, X = 72.1. Using two tails of the sampling distribution and the .05 ...The mean of a population of raw scores is 48 (σx = 16).Your X is 44 (with N = 40) .Using the .05 criterion with the region of rejection in both tails of the distribution, should you consider the sample to be representative ...The mean of a population of raw scores is 50 (σx = 18). (a) Using the z-table, what is the relative frequency of sample means below 46 when N = 40? (b) What is the probability of randomly selecting a sample of 40 scores ...Describe the experimental hypotheses and the independent and dependent variables when we study: (a) Whether the amount of pizza consumed by college students during finals week increases relative to the rest of the ...A report indicates that brand X toothpaste significantly reduced tooth decay relative to other brands, with p < .44. (a) What does “significant” indicate about the researcher’s decision about brand X? (b) What makes ...Post your question