statistics

Question 1

measures of central tendencies

Answer 1

mean median mode

Question 2

levels of measurement use don the central tendencies

Answer 2

nominal - weak
ordinal - stronger
interval - strong

Question 3

what measurement is used for mode

Answer 3

nominal

Question 4

what measurement is used for median

Answer 4

ordinal

Question 5

what measurement is used for mean

Answer 5

interval

Question 6

inferential statistics

Answer 6

based on probability, it is a process of finding out whether the data representation of the sample is ‘true’ form the sample it came from

Question 7

descriptive statistics

Answer 7

the conversion of raw data into a different form of quantitative data that can be summarised in tables, graphs to identify trends

Question 8

measures of dispersion

Answer 8

seen by the standard deviation and the range

Question 9

standard deviation

Answer 9

a single value which tells us how far a score has deviated form the mean

Question 10

the bigger the standard deviation the …

Answer 10

bigger the dispersion in the data set.

Question 11

the smaller the SD the ….

Answer 11

closer the scores are to the mean suggesting the results are similar.

Question 12

steps for calculating standard deviation

Answer 12

step 1 : calculate the mean for the scores
step 2 : the pps raw scores minus the mean
step 3: now square the results from step 2
step 4 : now add up all the square numbers
step 5: now the result from step 4 needs to be divided by the n-1
step 6: now square root everything