STATS

Question 1

th numerical descriptive measures of a population, measures describe a population

Answer 1

Parameters

Question 2

the value or a range of values that approximate a parameter

Answer 2

Estimate

Question 3

finding an approximate value or range of values for an unknown parameter.

Answer 3

Estimation

Question 4

type of estimation that produces a single value

Answer 4

Point Estimation

Question 5

single value produced in point estimation

Answer 5

Point Estimate

Question 6

formula for point estimation

Answer 6

Point Estimator

Question 7

type of estimation that contains a series of values in estimating an unknown population parameter.

Answer 7

Interval Estimation

Question 8

series of value found in Interval estimation

Answer 8

Interval Estimates

Question 9

formula for interval estimation

Answer 9

Interval Estimator

Question 10

is an interval estimate constructed from a point estimate and a margin of error.

Answer 10

Confidence Interval

Question 11

refers to the maximum estimate of how far the parameter can deviate from the point
estimate.

Answer 11

Margin of Error

Question 12

refers to a degree of certainty of the confidence interval.

Answer 12

Confidence Level

Question 13

refers to the likelihood that the confidence interval does not contain the parameter it estimates.

Answer 13

Significance Level (Alpha Level)

Question 14

Also known as the average computed from the table.

Answer 14

MEAN

Question 15

the numbers that describe characteristics of
scores in the sample (mean, variance, s.d., correlation coefficient, reliability coefficient, etc.)

Answer 15

STATISTIC

Question 16

estimate is within the value of the mean.

Answer 16

Unbiased

Question 17

estimate is below the value of the mean.

Answer 17

Negative Bias

Question 18

estimate is above the value of the mean.

Answer 18

Positive Bias

Question 19

mean of the population that possesses a given characteristic.

Answer 19

Population Mean μ

Question 20

is an average of a sample of size n. best used for interval and ratio with symmetrical data as levels of measurement.

Answer 20

Sample Mean x

Question 21

is the middle value of an ordered array of a sample of size n. best used for interval and ratio with skewed data as levels of measurement.

Answer 21

Sample Median x͂

Question 22

is the value that frequently occurs among a random sample of size n. is used for nominal or categorical value. value is not important because it is assumed as a
descriptive category.

Answer 22

Sample Mode x

Question 23

is so-called the student t-distribution, student’s distribution or student’s t-test.

Answer 23

T-Distribution

Question 24

is consist of values for degrees of freedom df

Answer 24

T-Table