Chapter 2- Statistics

Question 1

Two branches

Answer 1

Descriptive, Inferential

Question 2

Descriptive:

Answer 2

Present data in an easy to understand way

Question 3

Measures of central tendency

Answer 3

mean, median, mode

Question 4

Measures of Variability

Answer 4

Range, standard deviation, variance

Question 5

Normal Curve

Answer 5

34%, 14%, 2%

Question 6

Z score

Answer 6

SD units on normal curve

Question 7

Correlation coefficient

Answer 7

-1–>1

Question 8

Inferential Statistics

Answer 8

Uses descriptive statistics with probabity theory to make inferences about reality. Include Z test, t test, f test, ANOVA, regression, chi square. Tell whether data is significant