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Oak National Academy
12 questions
Which of these frequency tables shows 49 pieces of data?
The bar chart shows the number of children who have visited different attractions in the summer holidays. The bar for ___ has a frequency of 12.
Laura times her bus journey to school every day for a week. On which day did Laura's journey take 28 minutes?
A measure of central tendency is a summary measure that attempts to describe a whole set of ___ with a single value that represents the middle or centre of its distribution.
A large data set has 452 data values which have a total of 16 724. The mean of the data is ___.
The mean for the data shown on this dot plot is ___.
Select all the data sets that have a mean.
The (arithmetic) mean for a set of ___ data is the sum of the values divided by the number of values. It is a measure of central tendency representing the average of the values.
Without any further calculation, which of these could be the mean?
Laura records how long her journey is to school each day for a week. The line graph shows her results. Laura's mean journey time is ___ minutes.
The bar chart shows the number of goals scored by a club in a season. 192 goals were scored in total. The mean number of goals per match is ___ rounded to 1 decimal place.
Which of these calculations is correct for finding the mean from this frequency table?
