RM - Descriptive Stats

Question 1

Strength of Mode

Answer 1

Easy to calculate, less prone to distortion by extreme scores , unlike mean, highly influenced by extreme scores, as it takes all data into account

Question 2

Weakness of Mode

Answer 2

Doesn’t take all data into account = ↓ accurate. Not useful if ≥1 mode in data set. Unlike mean, takes all data into acc

Question 3

Strength of Median

Answer 3

Easy to calculate. Not affected by extreme values. Unlike mean, highly influenced by extreme scores, as it takes all data into account

Question 4

Weakness of Median

Answer 4

Not as sensitive as mean as doesn’t use all scores meaning less useful results.

Question 5

Strength of Mean

Answer 5

Most accurate and sensitive measure of central tendency as uses all data sets, gives a more representative understanding. Unlike median, doesn’t take all data into account

Question 6

Weakness of Mean

Answer 6

Affected by extreme scores as takes all scores into account which can result in misleading interpretation of results

Question 7

Strength of Range

Answer 7

Easy and quick to calculate as it only uses 2 pieces of data to calculate. unlike SD, which is more complicated and time consuming to calculate

Question 8

Weakness of Range

Answer 8

Can be distorted by extreme scores, as it only takes into account the smallest and largest scores, so an inaccurate range could be calculated

Question 9

Strength of Standard Deviation

Answer 9

less easily distorted by extreme values → takes into account the distance of each score from the mean, not just the distance from the highest and lowest

Question 10

Weakness of Range

Answer 10

More complicated and time consuming to calculate. Unlike range which is quick and easy to calculate

Question 11

What does a large standard deviation suggest

Answer 11

data more spread around mean → more variation → more individual differences in scores