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STA1010 - Statistical methods for science - S2 2025
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Either by hand, MS Excel or using the special function on your calculator, calculate the standard deviation of the following set of numbers:
16 23 31 42 59 63 69 51
Give your answer correct to one decimal place.
Either by hand or using the special function on your calculator, calculate the mean of the following set of numbers:
16 23 31 42 59 63 69 35
Give your answer correct to one decimal place.
The ages of a group of patients being treated at one hospital for osteoporosis are summarized in the frequency histogram.
Which of the following statements best describes the shape, center, spread, and unusual features of this distribution?
Classify the variable as categorical or quantitative.The color of your house
By hand, find the third quartile of the following set of numbers:
21 24 25 26 27 28 29 31 32 35
Marks on a test are out of 30. The mean mark is 22 with standard deviation 5. Marks have to be rescaled to be out of 25. The standard deviation, correct to one decimal place, of the rescaled marks is
By hand, find the median of the following set of numbers:
21 25 26 27 28 29 31 32 37
Either by hand, MS Excel or using the special function on your calculator, calculate the standard deviation of the following set of numbers:
27 21 28 23 24 29 31
Give your answer correct to one decimal place.
Either by hand, MS Excel or using the special function on your calculator, calculate the standard deviation of the following set of numbers:
27 41 38 31 29 29
Give your answer correct to one decimal place.
In statistics, the symbol µ refers to the