math unit 4
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explain what numerical discrete data is and give 3 examples
data that can be counted a whole number example: #of people, #of cars, shoe size
what is numerical data and is it qualitative or quantitative
Data involving variables which are represented by numbers and it’s qualitative
explain what numerical continuous data is and give 5 examples
data that can be any number that’s infinte examples: weight, height, time, distance, online money
what is categorical data and is it qualitative or quantitative
data involving “type/categories which may be represented by a name, symbol or a number code
explain what ordinal categorical data is and give 3 examples
data with categories that can be ranked (put in order) for example learning skills, education level, income level
explain what nominal categorical data is and give 3 examples
data with categories that can’t be put in any logical order for example: country, calories, gender
how do you calculate mean
Add all the values together then dived by how many numbers there are (the average)
how do you calculate median
c
how do you calculate mode
most repeated value
when do you make the line of best fit dashed
if it’s discreet data
when do you make the line of best fit solid
if it’s continuous data
what 2 numbers is moderate data between
0.33 and 0.67 or -0.33 and -0.67
what 2 numbers is weak data between
0 and 0.33 or -0 and -0.33
what 2 numbers is strong data between
0.67 and 1 or -0.67 and -1