Quant I Quiz! #2 F22 TLU

Which of the following has the same mean, median, and mode?

Which of the following t-tests requires that you know the population parameters?

Ice cream is correlated with violence. What likely accounts for this?

Which of the following was developed for Guinness beer to help investigate quality control?

We reject the null when a calculated test statistic...

Z scores have a mean of _____ and a standard deviation of ______?

If you had identical twins you could use which of the following t-tests

You have a group of people complete two measures. Someone who scores above the mean on both would have...

What is the standard deviation for the following numbers: 444444444444444

Who did better on a test... someone with a Z score of 0, 1, 1.25, or -2.0?

Reliability regards...

A perfect curvilinear relationship (e.g., upside down U shape) would have what strength of correlation?

Joe has a Z score of 1.25; Mary has a Z score of .25. Whose score happens more frequently?

What percentage of people are above a Z score of 0?

A perfect positive correlation would have a correlation of...

This type of scale has equal intervals and a true zero point

Inferential statistics makes estimates of a population using which of the following?

Validity regards the following...

Sarah runs a two sample t-test and has a probability of .09. Should she reject the null hypothesis?

A correlation examines which of the following?

Which of the following led to senate hearings and federal guidelines for ethical procedures?

What is the null hypothesis for a two sample t-test?

We reject a null hypothesis, when the calculated probability...

Which of the following could Clever Hans do?

In a two sample t-test, conceptually, what do you want to happen to the two distributions for these groups?

I hope you do well on the exam! Truly I do

In the social sciences, we reject the null hypothesis....

Which of the following t-tests would involve randomly assigning people to two different groups?

Type I Error is which of the following?

This type of scale would the same as winning gold, silver, or bronze in the Olympics

Removing an outlier will do what to the strength of the relationship of a correlation?

A 95% confidence interval around the mean would leave what percentage in the righthand side tail of the distribution?

Correlation is not ______________