Measures of central tendency including mean, median, mode and standard deviation

Get Revising

Created by: millb32
Created on: 23-06-21 11:08

what are measures of central tendency?

descriptive statistics that depict the overall trend of a set of data

1 of 15

what are the ways measures of statistical infrequency can be calculated?

by calculating mean, median and mode

2 of 15

what does bi modal data mean?

where the data has two modes

3 of 15

what does standard deviation mean?

a measure used to quantify the amount of variation of a set of data values

4 of 15

what is a weakness of using the mean in measures of central tendency?

it is very sensitive as it takes into account the exact distance between all the values in all the data. this means it can be easily distorted by one or more values and therefore is not representative of the data as a whole

5 of 15

which data does not use mean calculation?

nominal

6 of 15

why is the median useful for measures of central tendency?

it is not affected by extreme scores and so is useful under such circumstances. it can be easier than the mean to calculate.

7 of 15

what data is collected by median calculations?

ordinal data

8 of 15

what is a weakness of using the median as a way to measure central tendency?

it is not sensitive to extreme scores as it does not reflect the exact values

9 of 15

what is a strength of using the mode as way to measure central tendency?

it is unaffected by extreme values and is much more useful for discrete data

10 of 15

what data can be collected using the mode

nominal data

11 of 15

what is a weakness of using the mode to calculate measures of central tendency?

it is not useful when there are more than one mode

12 of 15

what are the weaknesses of using the range to calculate measures of central tendency?

it is affected by extreme values and fails to take into account the distribution of numbers

13 of 15

what is a strength of standard deviation?

it is easy to calculate using a calculator and takes into account all the exact values

14 of 15

what is a limitation of using standard deviation?

it may hide some characteristics of the data set

15 of 15

Other cards in this set

Card 2

Front

what are the ways measures of statistical infrequency can be calculated?

Back

by calculating mean, median and mode

Card 3

Front

what does bi modal data mean?

Back

Card 4

Front

what does standard deviation mean?

Back

Card 5

Front

what is a weakness of using the mean in measures of central tendency?

Back

View more cards

Get Revising

Measures of central tendency including mean, median, mode and standard deviation