What?, I 've got a General exam!

What kind of data are scores on a maths test?

• Categorical: nominal

• Categorical: ordinal

• Numerical: discrete

• Numerical: continuous

Find the range of the following heights (in cm) of Year 11 students

150 156 165 168 168 170 171 175 180 188 190

• 11

• 40

• 150 - 190

• 170

Find the median of the following numbers

2 3 2 3 1 10 10 2 8 9

• 2

• 2.5

• 3

• 4

This graph represents the number of students from Year 11 watching the primary free-to-air channels at 9 p.m. one Saturday night. How many students were watching channel 10?

• 4

• 7

• 11

• 14

In the frequency table, the missing information is?

• a frequency of 3 and the class interval 30-39

• a frequency of 13 and the class interval 30-34

• a frequency of 13 and the class interval 30-39

• a frequency of 13 and the class interval 50+

Which histogram represents this frequency table?

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How would you describe the distribution of the data shown in the histogram?

• symmetric

• positively skewed

• negatively skewed

• there is an outlier

Find the third quartile for the following numbers.

51 55 60 60 61 61 61 61 61 62 62 65

• 60

• 60.5

• 61

• 61.5

For the box-and-whisker plot, what is the median and interquartile range of the data set?

• 4 and 6

• 4 and 10

• 6 and 13

• 9 and 6

For the data shown by the dot plot, what is the median?

• 6

• 7

• 5

• 4