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Mean and Median Practice

Quiz by Tara

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Q 1/8
Score 0
The dot plot shows the number of children in seven families living in an apartment complex. Each dot represents one family. Find the median number of hours.
29
3 hours
3.5 hrs
2.75 hours
2.5 hours

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8 questions

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Q1
The dot plot shows the number of children in seven families living in an apartment complex. Each dot represents one family. Find the median number of hours.
3 hours
3.5 hrs
2.75 hours
2.5 hours
120s
Q2
Find the median of: 32.6; 72.6; 28.7; 45.4; 83.6; 69.9
57.65
28.75
115.3
58.65
120s
Q3
The mean of 5 numbers, 3, 8, 10, 12 and p, is 8. Find the value of p.
7
8
11
33
120s
Q4
The mean of a set of 5 numbers is 5.2. A 6th number, x, is added to the set and the mean changes to 6.5. Find the value of x.
13
26
39
1.3
120s
Q5
To find the median of a set of data, first you...
find the sum of items in the data set.
take the average of the center-most numbers.
find the middle number of the data set.
numerically order the data.
120s
Q6
The dot plot shows the results of a survey on the number of hours each student spends playing computer games. Find the median number of hours each student spends playing computer games.
2
2.04
1.84
1
120s
Q7
The data set shows the amount of Jackson's monthly savings last year. $7, $12, $10, $12, $15, $11, $8, $9, $11, $11, $13, $10. If Jackson had saved $1 more every month, what would his median monthly savings have been?
$12
$13
$12.50
$11.75
120s
Q8
The dot plot shows the results of a survey to find the number of mobile phones in 30 families. Each dot represents 1 family. Find the median number of mobile phones.
4.5
3
5
4
120s

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