Calculate the mean value of the following set of data values: 5.2, 6.7, 4.8, 5.8, 5.5

5.5

5.6

1.9

5.7

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Q02

Calculate (to 3 sf) the population standard deviation of the following set of five numbers: 10.5, 11.5, 13.0, 10.5, 14.5 which have a mean value of 12.0

1.55

1.73

2.00

None of the above

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Q03

Calculate (to 3 sf) the sample standard deviation of the following set of five experimental data values: 21, 23, 26, 21, 29 which have a mean value of 24

3.10

3.46

48.0

None of the above

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Q04

The stopping distances, d, of a car were measured in metres (m) several times under the same conditions, and the variance of these values was calculated. The units of the variance in this case were:

m

m^{1/2}

m^{2}

None of the above

I do not know how to answer this question

Q04

What is the median value of the following set of data values: 67, 46, 55, 67, 42, 54, 78