PSYC 210 Exam 2 Review

If someone has a z score of -1.0, what does this mean?

In a normal distribution, what percentage of scores fall between 1 SD below the mean and 1 SD above the mean?

"The chance of a die showing an even number is 50%" is an example of a(n):

According to CLT, as sample size __________, standard error ___________

If we reject the null when the null is false, we've made a:

The null hypothesis is a statement that:

Maria flips a coin 10 times to see how many times it lands on tails. In this scenario, each coin flip is a(n):

If the sample for my study is all my students in PSYC210, what is one limitation of my results (among MANY others)

The distribution of scores in a sample (drawn from a normal population) will approach normality as:

Which of the z scores corresponds to the raw score farthest from the mean of the distribution?

In a normal distribution, what percentage of scores fall between 2 SD below the mean and 2 SD above the mean?

If we reject the null when the null is true, we've made a:

According to CLT, as sample size _________, the distribution of sample means more closely approximates a normal shape.

If we fail to reject the null when the null is false, we've made a:

When each selected participant has an equal chance of being in any of the experimental conditions/groups, it's called:

If n is at least __, the distribution of sample means will be ~ normal, even when the underlying pop is skewed

Our sample mean has z-statistic of 2.0, what does this mean?

The research (alternative) hypothesis is a statement that:

In a normal curve, which percentile corresponds to a z score of 1.0?

Jack needs money, so he signs up for an advertised drug trial that compensates its participants. Recruiters are using:

If my score on the exam has a z-score of 0, what does this mean

I'm studying political attitudes of college students so I pass out a survey to you all in class. This is an example of:

The Central Limit Theorem (CLT) ensures that our sampling distribution will always...

When every member of a population has an equal chance of being selected to participate in a study, it's called:

The standard deviation of the distribution of sample means is called the

What is the primary benefit of having data that is normally distributed...

"There is a 20% chance that I'll be late for class tomorrow" is an example of a(n):

If my test score falls 3 SD's below the mean, my z-score is...

Maria flips a coin 10 times to see how many times it lands on tails. In this scenario, landing on tails is termed a(n):

Statistical probability requires that the outcome of each trial is ____ the outcome from the prior trial.

In a normal distribution, what percentage of scores fall below the mean?

If we fail to reject the null when the null is true, we've made a:

What does the symbol "µM" stand for?

What is the primary benefit of being able to assume the underlying sampling distribution is approximately normal...

Maria flips a coin 10 times to see how many times it lands on tails. The result of each coin flip is a(n):

What is an illusory correlation?