Exam 6: Accommodating Student Variability

Jane has scored 132 on an IQ test. The mean of all the people who took the same test is 100 and the standard deviation is 16. What percentage of people scored below Jane?

If your study involves more than two groups, ____ would be more appropriate than ____ to reveal differences.

If the probability of an event occurring is .70, then the probability of the event not occurring is:

If you commit the gambler's fallacy in games of chance, then you fail to appreciate the fact that:

The standard deviation of the sampling distribution of the means is called the:

Jason flips a coin one hundred times, and it comes up heads every time. Jason predicts that the next flip of the coin is highly likely to yield tails because that outcome is long overdue. Jason is:

The probability of obtaining one head and then followed by one tail on two tosses of a coin is:

Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. About what percentage of people would have a height between 66 and 72 inches?

The probability of obtaining either a head or a tail on any coin toss is:

What are inferential statistics and what is being inferred?

Which of the following p levels gives you the most confidence regarding the outcome of a study?

What is meant by statistical significance? Relate this concept to probability theory.

Using inferential statistics, we test hypotheses about:

One-tailed test is a ____ test, while a two-tailed test is a ____ test.

Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. If you select a person at random from the population, what is the probability that the person is between 60 and 72 inches tall?

Which of the following best describes the relationship between t-test and analysis of variance?

In general, the null hypothesis means that:

What does the t-test reveal about sample means?

What are the advantages and disadvantages of using a one-tailed t-test?

Which of the following is incorrect?