Inferential Statistics

Question 1

Used to make judgements, observe difference between groups, draw inferences/reached conclusion beyond the immediate data.

Answer 1

Inferential statistics

Question 2

Where to use Inferential statistics

Answer 2

• Market Research
• Medical Control
• Quality Control
• Environmental Research

Question 3

Statistical method used to determine whether a statement or hypothesis about the population parameter is true or false based on the sample of data

Answer 3

Hypothesis Testing

Question 4

Proposes that there is no significant difference exists in a set of observations

Answer 4

Null hypothesis

Question 5

The statement that researchers want to test

Answer 5

Null hypothesis

Question 6

If the statistic is greater than critical value, null hypothesis is _____________

Answer 6

Rejected

Question 7

If the P value is less than the level of significance, then the null hypothesis is___________

Answer 7

Rejected

Question 8

Specifies the probability of them for evidences an unreasonable estimate

Answer 8

Alpha level

Question 9

Most common alpha levels are _______

Answer 9

0.05, 0.01, 0.10

Question 10

The probability to the right of respective statistics

Answer 10

P-Value

Question 11

It calculates a probability estimate

Answer 11

P-value

Question 12

If p-value is less than alpha level _______ null hypothesis

Answer 12

Reject

Question 13

Our boundaries of critical region of rejection region

Answer 13

Critical Value

Question 14

If test statistic is lower than critical value ________ mull hypothesis

Answer 14

Accept

Question 15

Derive from level of significance (alpha level) of the test

Answer 15

Hypothesis testing