Ch 8 Psych Stats

Front 1

What type of statistical test involves a statement about the population parameter?

Back 1

parametric

Front 2

What is the number that is calculated from a sample that allows the null hypothesis to be tested

Back 2

test statistics

Front 3

Both hypotheses cannot be true at the same time - they must be _________ ________ (2 words).

Back 3

mutually exclusive

Front 4

The null and the alternative hypotheses are both statements about the _________ mean.

Back 4

population

Front 5

If the null is rejected, then the difference between the sample mean and the population mean is __________ .

Back 5

significant

Front 6

If the decision is 'fail to reject' the null, what must be the decision about the alternative hypothesis?

Back 6

do not accept

Front 7

What is the value of the significance level expressed as a probability?

Back 7

alpha

Front 8

if we fail to reject the null, then the difference between the sample mean and the population mean is most likely caused by ______ ______ . (2 words)

Back 8

sampling error

Front 9

The test statistic z is used to locate the ______ ____ on the standard normal distribution. (2 words)

Back 9

sample mean

Front 10

The function of the null hypothesis is to establish conditions under which the _______ _________ of the mean can be created. (2 words)

Back 10

sample distribution

Front 11

If the null hypothesis is rejected, the alternative hypothesis must be _________

Back 11

accepted

Front 12

Which hypothesis is the statement that must be true if the null hypothesis is false?

Back 12

alternative