(1) Fill in the blank entries of the frequency table.
Number of siblings (𝑥)
Frequency (𝑓)
1
8
2
10
3
8
4
6
5
0
6
2
7
1
8
1
Number of siblings multiplied by
frequency (𝑥𝑓)
TOTAL
(2) Draw the data using a dot plot, making sure you label the axes and have a title.
(3) Using the dot plot and frequency
table, or otherwise, calculate the
mean, median, mode and range of
the data.
Mean = _________
Mode = _________
Median = ___________ Range = __________
Chapter 30 Dot Plots:
Warm up:
1.
Write 111% as a decimal
2.
Convert 3.3m2 into cm2
3.
Convert 375mL into cm3
4.
Convert 375mL into mm3
5.
What is the average speed for someone who
runs 1500m in 5 minutes?
Increase $150 by 10%, then decrease the
result by 10%
Write the ratio 4:6 in it’s simplest form
6.
7.
8.
What is the capacity of a 20cm x 20cm x
40cm rectangular prism?
9.
3, 4, 5, 7, 7, 11
What is the median?
10. 3, 4, 5, 7, 7, 11
What is the mean?
Complete the following table using your own words:
Term:
a)
Definition:
Mean
b) Median
c)
Mode
d) Range
Name: