# Statistics Review: Question Preview (ID: 19527)

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**The ______ can have more than one value.**

a) mean

b) median

c) mode

d) range

**The first step to group data in intervals is to calculate _____**

a) the range.

b) the mean.

c) the median.

d) the mode.

**Calculate the median: 3 - 5 - 6 - 3 - 5 - 6**

a) 3

b) 5

c) 6

d) 4,7

**An example of a qualitative variable is**

a) hair's colour

b) gender

c) height

d) 1 and 2

**If we have intervals in a frequency table, we need to obtain the _____ to calculate the mean.**

a) cumulative frequency

b) class mark

c) range

d) mode

**If we need to calculate percentages, we use the**

a) frequency

b) cumulative frequency

c) relative frequency

d) class mark

**The mean is the ______ of a set of data.**

a) highest number

b) lowest number

c) average

d) middle number

**Given these numbers, calculate the range: 3 - 4 - 6 - 7**

a) 4

b) 4,75

c) 7

d) 3

**Look at these numbers: 3 - 4 - 5 - 3 - 6 The mode is**

a) 6

b) 5

c) 3

d) 4

**The weight is a**

a) qualitative variable

b) quantitative continuous variable

c) quantitative discrete variable

d) none of them

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