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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