7 Hypthesis Testing

Question 1

Statistical Hypotheses

1.) what is hypothesis testing?
2.) what is statistical hypothesis?
3.) null hypotheses
4.) alternative hypothesis

Answer 1

Question 2

Statistical Hypotheses ex1

Answer 2

Question 3

Statistical Hypotheses ex2

Answer 3

Question 4

Describe what is a Type 1 error vs Type 2 error

Answer 4

Question 5

Statistical Hypotheses ex3

Answer 5

Question 6

Statistical Hypotheses ex4

Answer 6

Question 7

1.) what is a p-value?
2.) when to use right-tail, left-tai, and two-tail test?
3.) how to interpret p-values

Answer 7

Question 8

Statistical Hypotheses ex5

Answer 8

Question 9

Statistical Hypotheses ex6

Answer 9

Question 10

Hypothesis Test For Population Proportions

How to know when to use a hypotheses for Proportions?

Answer 10

Question 11

Hypothesis Test For Population Proportions ex1

Answer 11

Question 12

When to us Hypothesis Test For Two Population Proportions?

Answer 12

Question 13

Hypothesis Test For Two Population Proportions ex1

Answer 13

Question 14

Hypothesis Test For Two Population Proportions ex2

Answer 14

Question 15

When to use Hypothesis test for population means(one sample test)?

Answer 15

Question 16

Hypothesis test for population means(one sample test) ex1

Answer 16

Question 17

Hypothesis test for population means(one sample test) ex2

Answer 17

Question 18

Hypothesis test for population means(one sample test) ex3

Answer 18

Question 19

Hypothesis test for population means(one sample test) ex4

Answer 19

Question 20

Hypothesis test for population means(one sample test) ex5

Answer 20

Question 21

Hypothesis test for population means(two sample test & known standard deviation)

1.) Describe the set up
2.) z- statistic
3.) how would you interpret

Answer 21

Question 22

Hypothesis test for population means(two sample test & known standard deviation) Ex1

Answer 22

Question 23

Hypothesis test for population means(two sample test & known standard deviation) Ex2

Answer 23

Question 24

Hypothesis test for population means(two sample test & unknown standard deviation)

1.) Describe the set up
2.) t- statistic
3.) how would you interpret

Answer 24

Question 25

Hypothesis test for population means(two sample test & known standard deviation) Ex1

Answer 25

Question 26

Hypothesis test for population means(two sample test & known standard deviation) Ex2

Answer 26

Question 27

Hypothesis test for population means(two sample test & known standard deviation) Ex3

Answer 27

Question 28

Hypothesis test for population means(two sample test & known standard deviation) Ex4

Answer 28

Question 29

**Chi-Square Goodness of Fit Test** 1.) when to use it? 2.) test statistic

Answer 29

Question 30

Chi-Square Goodness of Fit Test ex1

Answer 30

Question 31

Chi-Square Goodness of Fit Test ex2

Answer 31

Question 32

**Chi-Square Test for Independence** 1.) When to use it? 2.) test statistic

Answer 32

Question 33

Chi-Square Test for Independence ex1

Answer 33

Question 34

Chi-Square Test for Independence ex2

Answer 34

Question 35

**Chi-Square Test for Homogeneity** 1.) When to use it? 2.) Test statistic 3.) How to interpret

Answer 35

Question 36

Chi-Square Test for Homogeneity ex1

Answer 36

Question 37

Chi-Square Test for Homogeneity ex2

Answer 37

Question 38

**McNemar’s Chi-Square Test** 1.) When to use it 2.) test statistic 3.) How to interpret

Answer 38

Question 39

McNemar’s Chi-Square Test ex1

Answer 39