Chapter eight vocab

Question 1

statistical hypothesis that contains a statement of equality such as less than or equal to, etc

Accepted Answer

null hypothesis H0

Question 2

a statistical for a population mean

Accepted Answer

z test for the mean

Question 3

if the alternative hypothesis contains the not equal to symbol

Accepted Answer

two tailed test

Question 4

the complement of null hypothesis, must be true if HO is false <, >

Accepted Answer

alternative hypothesis HA

Question 5

a process that uses sample statistics to test a claim about the value of a population parameter

Accepted Answer

hypothesis testing

Question 6

if the alternative hypothesis contains the less than symbol

Accepted Answer

left tailed test

Question 7

the probability of obtaining a sample with a value as extreme than the one from the sample data

Accepted Answer

probability value (p value)

Question 8

your maximum allowed probability of making a type one error (alpha)

Accepted Answer

level of significance

Question 9

the probability of making a type two error

Accepted Answer

beta - level of significance

Question 10

occurs if the null hypothesis is rejected when it is true (failing to accept a truth)

Accepted Answer

type one error

Question 11

if the alternative hypothesis contains the greater than symbol

Accepted Answer

right tailed test, right tailed test

Question 12

a verbal statement, or claim, about a population parameter.

Accepted Answer

statistical hypothesis

Question 13

occurs if the null hypothesis is not rejected when it is false (believing a lie)

Accepted Answer

type two error

Question 14

the statistic that is compared with the parameter in the null hypothesis

Accepted Answer

test statistic

Question 15

the range of values for which the null hypothesis is not probable.

Accepted Answer

rejection region (critical region)

Questions 15