Outliers

Question 1

is an observed value that is notably distinct from the other values in a dataset

Answer 1

outlier

Question 2

is a data point that differs significantly from the majority of the data.

Answer 2

outlier

Question 3

it is relatively unaffected by extreme values

Answer 3

Resistance/Resistant

Question 4

for a quantitative variable measures the spread of the data

Answer 4

standard deviation

Question 5

gives a rough estimate of the typical distance of a data values from the mean

Answer 5

Standard Deviation

Question 6

The larger the ____________, the more variability there is in the data and the more spread out the data are

Answer 6

Standard Deviation

Question 7

If a distribution of data is approximately symmetric and bellshaped, about 95% of the data should fall within two standard deviations of the mean

Answer 7

95% Rule

Question 8

puts values on a common scale

Answer 8

z-score

Question 9

Largest data value

Answer 9

Maximum

Question 10

Smallest data value

Answer 10

Minimum

Question 11

Median of the values below m

Answer 11

Q1

Question 12

Median of the values below m

Answer 12

Q3

Question 13

is the value which is greater than P% of the data

Answer 13

P
th percentile

Question 14

Max – Min=

Answer 14

Range

Question 15

Q3 – Q1

Question 16

Is the range resistant to outliers?

Answer 16

The range depends entirely on
the most extreme values.

Question 17

Is the IQR resistant to outliers?

Answer 17

The IQR is based off the middle 50% of the data, which will not contain outliers.

Question 18

Lines (“whiskers”) extend from each quartile to the most extreme value that is not anoutlier

Answer 18

Boxplot