Statistical summaries using technology | Maths | Quizalize & Oak National Academy

Starter quiz

A __________ is a circular graph where sectors represent different groups proportionally.

bar chart

pictogram

pie chart ✓

scatter graph

time series graph
Find the mode of the following numbers: 15, 13, 20, 15, 17, 16.

'15' ✓
Find the median of the following numbers: 15, 13, 20, 15, 17, 16.

'15.5' ✓
Find the range of the following numbers: 15, 13, 20, 15, 17, 16.

'7' ✓
Find the mean of the following numbers: 15, 13, 20, 15, 17, 16.

'16' ✓
An estimate for the mean of the data presented in the table is ______ kilograms.

'28' ✓

A __________ sums up the features of a data set.

data cycle

graph

sample

statistical summary ✓
When using spreadsheet software, which command would calculate the mean for a column of numerical data?

average(A1:A10)

mean(A1:A10)

=average(A1:A10) ✓

=mean(A1:A10)
When using spreadsheet software, which command would calculate the range for a column of numerical data?

max(A1:A10)-min(A1:A10)

range(A1:A10)

=max(A1:A10)-min(A1:A10) ✓

=range(A1:A10)
When using spreadsheet software, which command would calculate the median for a column of numerical data?

median(A1:A10)

middle(A1:A10)

=median(A1:A10) ✓

=middle(A1:A10)
When using spreadsheet software, what symbol represents multiplication?

'*' ✓
When using spreadsheet software, what symbol represents division?

'/' ✓

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Technology can be used to calculate numerical summary statistics.
Technology can be used to create visual representations of data.
It is important to select appropriate representations and summaries based on context and the type of data.

Spreadsheets should always be used for data analysis as they are perfect.

Spreadsheet software is incredibly powerful but care should be taken as human error can lead to incorrect results.