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Year 9 Maths Advanced Investigating Data

Comparing Data Sets

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Questions
Question 1
44229

The reaction times (in seconds) of a group of men and women were measured

\begin{array}{r|l|l}
\text { Male } & & \text { Female } \\
\hline 5,2,0 & 1 & 5,8 \\
5,1 & 2 & 1,6,9,9 \\
5,5,5,3,1 & 3 & \\
5,2 & 4 & 1,2,6,8 \\
9,8,6,1,1 & 5 & 5 \\
6,5,5,0 & 6 & 0,1 \\
2,1,1,0,0 & 7 & 2
\end{array}

a. Find the range for men.
b. Find the range for women.
c. Find the mode for men.
d. Describe the shape of female distribution. Are they positively skewed or negatively skewed.
e. Does clustering occur for men? Answer yes or no
f. Which group has the greater spread of reaction times?

a) 62  b) 57  c) 35  d) Positively skewed  e) Yes  f) Men

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