Find the area of a rectangle with one side that is 5.5 inches long and one side that is 7 cm long
38.5cm2
100
Draw a stem and leaf plot - include all elements! (23, 26, 21, 23, 15, 16, 32, 30, 41)
A stem-and-leaf plot (stemplot) is drawn with the first one or two digits written vertically to make the stem. The remaining digits are written in rows across from the first digit(s) to make the leaves.
100
Find the range of the data set: 11, 15, 9, 2, 18, 4, 8, 10,2,2,6,9.
16
100
When you collect information, the complete group that the information would relate to is called... ?
Population
100
What is the range of data?
Range = largest data value − smallest data value.
200
How many cm2 in 9.1m2?
91000cm2
200
How do you draw a dot plot? (Name elements)
A dot plot is constructed by putting a dot for each data item above a scale. They are most useful for small sets of numerical data, particularly discrete dat
200
Find median of the data set: 124, 124, 125, 125, 125, 126, 128, 130, 130, 130, 130, 132, 134, 136 and 145.
130
200
What is the difference between a fair and a biased question in a survey?
A fair question includes the whole population. A biased question does not represent the whole population.
200
How do we calculate mean?
The mean is the sum of all the values in the data set divided by the number of values in that data set.
300
A square has a total perimeter of 12 cm. What is the area of the square?
9cm2
300
Name element of stem and leaf plot which, when left out, can make your plot confusing
The key
300
The following are the results of a spelling test out of 20.
9 14 11 17 16 16 13 14 16 13 13 13 14 16 12 16 18 16 16 13 15 12 17 15 16
Find mode and median
Mode = 16
Median = 15
300
What kind of data is the eye colour of a group of students?
Categorical data
300
What is median?
The median is the middle value of an ordered data set.
400
A right angle triangle has length 6 cm and height 12 cm. Find the area of that triangle.
Area of triangle = 36 cm2
400
What value can we read from dot plot or stem and leaf without the need for calculation?
Mode
400
Work out the median, mode and range of the following waist measurements (in cm) of a group of people starting a fitness class.
100, 104, 106, 108, 102, 122, 134, 102, 100, 92, 100, 96, 106, 100, 92, 78
Mode= 100
Median = 101
Range = 56
400
What kind of data is the number of runs scored by a cricketer over a season?
Discrete data
400
What is mode?
The mode is the value that occurs most often in a data set.
500
ABC is a right triangle. The length of its perimeter is equal to 60 cm and the size of its area is 150cm2. Find its other side and hypotenuse if one side is 15cm.
The other side is 20cm.
Hypotenuse is 25cm.
500
Draw a dot plot for the following data set and find the range, mode, median and mean:
5, 7, 4, 3, 7, 9, 10, 2, 6, 8, 8, 8, 6, 9, 7, 8, 9
Mode = 8
Median = 7
Mean = 6.8
Range = 8
500
In a sprint, the first three runners had times of 12.1, 12.1 and 10.9 seconds. Find the mean, median and mode for the three times.
Mean = 11.7
Median = 12.1
Mode = 12.1
500
What kind of data are the weights of newborn babies at a hospital?