# Question: 1 In sampling every member of a population is

1. In __________ sampling, every member of a population is given an equal chance of being selected for the sample.

a. population

b. mean

c. normal

d. random

2. The inevitable difference between the mean of a sample and the mean of a population based on chance alone is a

a. random sample.

b. confidence interval.

c. sampling error.

d. probability.

3. A frequency distribution of a random sample of means is a

a. random sample.

b. confidence interval.

c. sampling distribution of means.

d. standard error of the mean.

4. Why does a sampling distribution of means take the shape of the normal curve?

a. Random sample

b. Probability

c. Confidence interval

d. Sampling error

5. Alpha represents the area

a. in the tails of a distribution.

b. toward the center of the distribution.

c. higher than the mean of the distribution.

d. lower than the mean of the distribution.

a. population

b. mean

c. normal

d. random

2. The inevitable difference between the mean of a sample and the mean of a population based on chance alone is a

a. random sample.

b. confidence interval.

c. sampling error.

d. probability.

3. A frequency distribution of a random sample of means is a

a. random sample.

b. confidence interval.

c. sampling distribution of means.

d. standard error of the mean.

4. Why does a sampling distribution of means take the shape of the normal curve?

a. Random sample

b. Probability

c. Confidence interval

d. Sampling error

5. Alpha represents the area

a. in the tails of a distribution.

b. toward the center of the distribution.

c. higher than the mean of the distribution.

d. lower than the mean of the distribution.

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

Estimate the standard error of the mean with the following sample of 37 scores on a 7- point scale of views on affirmative action (with 1 being the most in favor of affirmative action and 7 being the most opposed to ...A medical researcher wants to determine how long patients survive once diagnosed with a particular form of cancer. Using data collected on a group of 40 patients with the disease, she observes an average survival time (time ...A major research organization conducted a national survey to determine what percent of Americans feel that things are getting better for them economically. Asking 1,200 respondents called at random if their own economic ...With the sample mean in Problem 8, find (a) The 95% confidence interval and (b) The 99% confidence interval. In Problem 8 A professor is conducting research on memory. She shows her subjects (volunteers from her Intro Psych course) a list of words on the computer, with some of the words being food items and the rest of the words being ...Post your question