Study text: "Essential Mathematics and Statistics for Science", 2nd Edition,

G Currell & A A Dowman, Wiley-Blackwell, 2009

G Currell & A A Dowman, Wiley-Blackwell, 2009

- Which ONE of the following sets of characteristics would best describe the distribution of 500 data values as shown in the graph:
- Skewness = -0.79 and kurtosis = 0.54
- Skewness = -0.79 and kurtosis = -0.64
- Skewness = 0.08 and kurtosis = 0.54
- Skewness = 0.08 and kurtosis = -0.64

- Which ONE of the following sets of characteristics would best describe the distribution of 500 data values shown in the graph:
- Skewness = 0.60 and kurtosis = 0.30
- Skewness = -0.75 and kurtosis = 0.30
- Skewness = 0.60 and kurtosis = -1.12
- Skewness = -0.75 and kurtosis = -1.12

- The normal probability plot of 500 data values shows evidence of deviation from a normal distribution.

Which ONE of the following statements is correct:- The graph shows significant positive kurtosis
- The graph shows significant negative kurtosis
- The graph shows significant positive skewness
- The graph shows significant negative skewness

- The normal probability plot of 500 data values shows evidence of deviation from a normal distribution.

Which ONE of the following statements is correct?- The graph shows significant positive kurtosis
- The graph shows significant negative kurtosis
- The graph shows significant positive skewness
- The graph shows significant negative skewness

- The graphs below each show the distributions of just 20 experimental data values:

Select ALL of the following statements that could be trueGraph 1 Graph 2 Graph 3

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