math unit 4

Question 1

explain what numerical discrete data is and give 3 examples

Answer 1

data that can be counted a whole number example: #of people, #of cars, shoe size

Question 2

what is numerical data and is it qualitative or quantitative

Answer 2

Data involving variables which are represented by numbers and it’s qualitative

Question 3

explain what numerical continuous data is and give 5 examples

Answer 3

data that can be any number that’s infinte examples: weight, height, time, distance, online money

Question 4

what is categorical data and is it qualitative or quantitative

Answer 4

data involving “type/categories which may be represented by a name, symbol or a number code

Question 5

explain what ordinal categorical data is and give 3 examples

Answer 5

data with categories that can be ranked (put in order) for example learning skills, education level, income level

Question 6

explain what nominal categorical data is and give 3 examples

Answer 6

data with categories that can’t be put in any logical order for example: country, calories, gender

Question 7

how do you calculate mean

Answer 7

Add all the values together then dived by how many numbers there are (the average)

Question 8

how do you calculate median

Answer 8

c

Question 9

how do you calculate mode

Answer 9

most repeated value

Question 10

when do you make the line of best fit dashed

Answer 10

if it’s discreet data

Question 11

when do you make the line of best fit solid

Answer 11

if it’s continuous data

Question 12

what 2 numbers is moderate data between

Answer 12

0.33 and 0.67 or -0.33 and -0.67

Question 13

what 2 numbers is weak data between

Answer 13

0 and 0.33 or -0 and -0.33

Question 14

what 2 numbers is strong data between

Answer 14

0.67 and 1 or -0.67 and -1