choosing statisticL TESTS

Question 1

what are the three types of measures of spread

Answer 1

range, standard deviation and variance.

Question 2

what are the three types of measures of central tendency

Answer 2

mean, mode and median

Question 3

What are examples of ordinal/ rank data

Answer 3

positions (1st, 2nd, 3rd)

Question 4

What are examples of Interval/Scale/Continuous

Answer 4

Distance, Weight and Time

Question 5

What are examples of Nominal/Categorical data

Answer 5

categories (Blue, Red and White)

Question 6

What are descriptive statistics

Answer 6

used for describing the sample

Question 7

What are inferential statistics

Answer 7

used for making influences about the population

Question 8

What does a low p-value mean

Answer 8

if the p-value is low, this means that

Question 9

What is continuous data

Answer 9

measured data can have infinite values within possible range eg weight, height.

Question 10

what is discrete data

Answer 10

observations can only exist at limited values, often counts.

Question 11

what is the paired samples t test

Answer 11

a paired samples t test (dependent) is used to establish whether the mean difference between 2 sets of observations is 0. data is collected from the same participant from both observations