Univariate Data SF

For the data set

165, 210, 220, 231, 232, 308, 427, 442, 451, 611

Calculate the five-number summary

• 165, 220, 308, 442, 611

• 165, 220, 270, 442, 611

• 165, 232, 442, 451, 611

• 165, 232, 427, 451, 611

For the data set,

1, 3, 8, 8, 9 ,15, 16, 21, 29, 55, 61

determine the outlier(s) and the value of the interquartile range.

• IQR: 31.5

  Outlier: 1

• IQR: 31.5

  Outliers: 55, 61

• IQR: 21

  Outlier: 61

• IQR: 21

  Outliers: 55, 61

Identify the company with the largest interquartile range

• Company A

• Company B

• Company C

• Compant D

• Company E

Identify the company with the lowest median.

• Company B

• Company E

• Company C

• Company A

• Company D

Identify the type of data that would be collected from the following survey question

What are the different forms of transport used by Australians to travel to work?

• Categorical Nominal

• Numerical Discrete

• Categorical Ordinal

• Numerical Continuous

Identify the shape of the histogram.

• Positively skewed

• Negatively skewed

• Symmetrical

• Skewed to the right

• Mean is less than the median

• Mean and median are equal

• Mean is greater than median

Determine the standard deviation of the following dataset.

Round your answer to 1 decimal place

(a)  

Outliers have the greatest effect on

• Median

• Mean

• Mode

• All of the above

The amount of push-ups a group of students in Class A could do during sports day is displayed in the following boxplot.

Another group of students from Class B performed the same task. The parallel boxplot has the same median, lower and upper quartile but with a range of 2525.

• 0

  4

  8

  13.5

  25

• 1

  4

  8

  13.5

  24

• 1

  4

  8

  13.5

  25

• 0

  4

  8

  13.5

  24