RM

Question 1

Hypothesis

Answer 1

H0 and H1 -> stays the same / changes

Question 2

change views

Answer 2

variable view, nominal, values.

Question 3

bar chart

Answer 3

analyse, desc stats, frequencies, variable, bar chart

Question 4

mean

Answer 4

average

Question 5

median

Answer 5

middle number

Question 6

mode

Answer 6

most common

Question 7

histogram

Answer 7

analyse, desc stats, freq, drag both and select histograms with lines

Question 8

t test

Answer 8

analyse, compare means, one way anova, (group factor, time dependant) options, desc and homog

Question 9

normal distribution

Answer 9

check histogram curve

Question 10

homogeneity of variance

Answer 10

should have similar variances p, sig > 0.05

Question 11

n quota

Answer 11

should be atleast 30

Question 12

T tests, check 3 things

Answer 12

normal dist, homogeneity of variance and n quota

Question 13

correlation and regression

Answer 13

can be from -1 to +1, +/- shows relationship

Question 14

correlation check 3 things

Answer 14

normal dist, linearity, homoscedasticity

Question 15

homoscedasticity

Answer 15

data points are thickest in centre?

Question 16

linearity

Answer 16

data points are in a relatively straight line?

Question 17

Bivariate

Answer 17

analyse -> correlate -> bivariate -> drag both -> ok

Question 18

chart builder

Answer 18

chart builder -> scatter -> 1st one -> add axis -> double click and add line of best fit.