Psychology

For N = 20, the degrees of freedom for the test of the significance of the correlation coefficient ...

Started by torybrooks

Which of the following are not characteristics of the t distribution? a. has a mean = 0. b. has ...

Started by jake

Confidence limits are defined as _________. a. the highest and lowest score in the sample set of ...

Started by stephzh

The 99 confidence interval is defined as _________. a. an interval such that we are 99 confident ...

Started by ericka1

The sampling distribution of t differs from the sampling distribution of z in that _________. a. ...

Started by jlmhmf

There are two values for tcrit when H1 is directional. Indicate whether the statement is true or ...

Started by jc611

The t distribution is a family of curves that vary with the degrees of freedom. Indicate whether ...

Started by nmorano1

Tcrit must always be positive. Indicate whether the statement is true or ...

Started by mydiamond

If N < 30, to use the t test, the population of raw scores should be normally distributed. ...

Started by Charlie

In general, if r = 0, then = 0. Indicate whether the statement is true or ...

Started by Jkov05

If robt > rcrit , we reject the assumption that = 0. Indicate whether the statement is ...

Started by Alygatorr01285

The t distribution is the same for all sample sizes. Indicate whether the statement is true or ...

Started by ts19998

When df = the t distribution is identical to the z distribution. Indicate whether the statement ...

Started by fox

The t test requires that the sampling distribution of is normal. Indicate whether the statement ...

Started by Pineapplelove6

The 95 confidence interval means that 95 of the time = . Indicate whether the statement is true ...

Started by B

If we conclude that there is a significant correlation in the population we may be making a Type I ...

Started by lunatika

For which of these tests do you need to know the sampling distribution of the relevant statistic in ...

Started by sjones

In an experiment using the independent groups design, there are 10 subjects in one group and 12 ...

Started by Lisaclaire

A correlated groups design is more sensitive than an independent groups design if _________. a. ...

Started by Bob-Dole

If the homogeneity of variance assumption is violated in an independent groups t test, this means ...

Started by future617RT

In employing a correlated groups design, one possible drawback is _________. a. the increased ...

Started by crobinson2013

The z test for independent groups is seldom used because _________. a. it lacks sensitivity b. ...

Started by Redwolflake15

Student's t test for correlated groups really reduces to _________. a. the sign test b. ...

Started by rosent76

If a test is a robust test, a. it is sensitive to its underlying mathematical assumptions b. it ...

Started by Redwolflake15

A professor of women's studies is interested in determining if stress affects the menstrual cycle. ...

Started by evelyn o bentley