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Mean and Median Skew

Authored by Anthony Clark

Mathematics

10th Grade

Mean and Median Skew
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20 questions

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1.

OPEN ENDED QUESTION

1 min • 1 pt

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Make notes now on the shapes of distributions and how the mean, median and mode might predict the skew of a distribution. Page 180-181 in the Statistics GCSE book will help. Let me know you have completed this task by writing a message bekow,

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2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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A positive number means positive skew. Negative number means negative skew, What do you think 0 means?

Very negatively skewed

Moderate negative skew

Symmetrical data

Moderate positive skew

Very positive skew

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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Find the mean of the data in version A. Round to the tenth.

(a)  

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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Estimate the mean of the histogram.

(a)  

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

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Which of the following statements is correct?

Approximately 50% of the data are above/below the mean

Less than 50% of the data are above the mean

More than 50% of the data are above the mean

Less than 50% of the data are below the mean

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If data is skewed right, then the mean will be...

greater than the median

less than the median

equal to the median

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Remember that in a skewed distribution, extreme values will...

pull the mean, but not the median

pull the median, but not the mean

pull the mean and median equally

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