ANALYSIS OF DATA

Question 1

Quantitative data

Answer 1

Quantity data . Numerical data

Question 2

Discrete data

Answer 2

Can only be certain values . 5 kids . 96 laptops

Question 3

Continuous data

Answer 3

Can take any value . Has decimals . 9.16kg

Question 4

Primary data

Answer 4

Data that is found?made by yourself

Question 5

Secondary data

Answer 5

Data that is found through another source

Question 6

Sample random sampling

Answer 6

Every member of the population has an equal chance of being included .(names out of a hat 0

Question 7

Stratified sampling

Answer 7

Population is divided into groups before the sample is taken

Question 8

systematic sampling

Answer 8

Sample is taken at fixed intervals (every 10th person )

Question 9

Cluster sampling

Answer 9

Groups that are already formed (cities?tutor groups )

Question 10

Convenience sampling

Answer 10

You choose the first or most convenient sample

Question 11

Quota sampling

Answer 11

You create the group needed to fit your criteria

Question 12

Range

Answer 12

Biggest-smallest

Question 13

Mode

Answer 13

Value that appears the most

Question 14

Median

Answer 14

The middle value

Question 15

Mean

Answer 15

All numbers added and ➗by the amount

Question 16

Median formula

Answer 16

(N+1)
———
2

Question 17

Interquartile range is

Answer 17

Upper quartile-lower quartile
3/4 - 1/4

Question 18

Standard deviation steps

Answer 18

1.stats mode =2
2.press 1
3.type list of numbers
4. OPT,then press
5. List of numbers
6. Go to sx=standard deviation

Question 19

Frequency density =

Answer 19

Frequency ➗ class width

Question 20

Class width =

Answer 20

Frequency ➗frequency density