Q’s from Class Session 1 Flashcards

1

True or false: All studies consider every factor.

False
True

2

What is a population in statistics?

The entire group
A sample group
A subset of data
A random selection

3

True or false: Statistics helps draw conclusions.

False
True

4

What is a parameter in statistics?

A random variable
A population measure
A sample measure
An extraneous factor

5

What is a sample in statistics?

A portion of population
An average value
A random variable
A complete dataset

6

What is a statistic in statistics?

A sample measure
An average
A population measure
A fixed value

7

Probability of blonde hair offspring?

25%
6.25%
43.75%
50%

8

What is the importance of controlling factors?

To simplify analysis
To reduce data size
To increase variability
To ensure accuracy

9

see image

10 to 3
20 to 3
3 to 1
7 to 2
4 to 1

10

What is an extraneous factor?

An unrelated variable
A controlled variable
An influencing variable
A random factor

11

What is the significance of a sample?

To analyze trends
To collect data
To gather opinions
To represent population

12

True or false: Natural variability exists in data.

False
True

13

What is the goal of statistics?

To predict outcomes
To draw conclusions
To collect samples
To analyze data

14

Which measure of distribution is most useful for determining probabilities?

Interquartile range
Standard deviation
Average distance
Range

15

What is the relationship (in size) between sample and population?

Population is random
Sample is larger
Sample is smaller
Both are equal

16

See image

9/50
4/7
21/100
3/25

17

See image

2/9
3/4
8/33
2/11
23/66

Q’s from Class Session 1

Questions 17

Q’s from Class Session 1

Questions 17