Uploaded by Tracy Ahearn

Mean and Mode from Frequency Tables

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Mean and Mode from Frequency Tables
1. Major carried out a survey of the number of school dinners
students had in one week. The table shows this
information. Complete the table.
a) Write down the mode.
b) How many students were there altogether?
c) How many school dinners were served during the
week?
d) Calculate the mean number of school dinners
Number of
school
dinners
0
1
2
3
4
5
Frequency
0
8
12
6
4
2
2. Josh asked some adults how many cups of coffee they each drank yesterday.
The table shows his results. Complete the
table
a) Write down the mode.
b) How many adults were asked altogether?
c) How many cups of coffee were drank altogether
yesterday by the people asked?
d) Calculate the mean number of cups of coffee drank
yesterday.
Number of
cups
0
1
2
3
4
5
Frequency
5
9
7
4
3
2
3. The table gives some information about the number of tracks on each CD. Complete the
table.
Number of
Frequency
tracks
a) Write down the mode.
11
1
b) How many CDs were there?
12
3
c) How many tracks were there on these CDs?
13
0
d) Calculate the mean number of tracks per CD.
14
2
15
4
4. Sarah works in a post office.
She recorded the number of parcels posted on each of 16 days.
Here are her results.
Number of
2
2
5
3
2
4
2
2
parcels
3
6
4
6
2
2
3
3
2
3
a) Coomplete the frequency table to
4
show Sarah’s results.
5
b) Write down the mode.
6
c) Work out the range.
d) Calculate the mean.
Tally
Frequency
16
14
12
10
8
6
4
2
0
5. Some students were asked how many pets
they owned. The results are given in the bar
chart below.
a) Use the graph to complete the table
Number of
pets
0
1
2
3
4
5
Frequency
0
1
2
3
4
5
b) Write down the mode
c) How many students were asked altogether?
d) How many pets are owned, in total, by all the students.
e) Find the mean number of pets owned.
6. The table gives information about the number of goals
Number of goals
0
1
2
3
4
scored by a football team in each match last
season.
a) Write down the modal number of goals scored.
b) Work out the total number of goals scored by
the team last season.
c) Work out the mean number of goals scored last
season.
Frequency
4
5
4
7
4
6. The table gives information about the number of cars sold by a company each day over a period of 20
days.
a) Write down the modal
number of cars scored.
c) Work out the mean
number of cars sold
during this time.
Number of cars sold daily
6
5
Frequency
b) Work out the total
number of cars sold over
the 20 day period.
7
4
3
2
1
0
0
1
2
3
Cars sold in one day
4
5
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