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Which of the following bar graphs is equivalent to the pie chart in Question T1.2?

The percentage of students with less than $10 in their possession is closest to

(a) 30%. (b) 35%. (c) 50%. (d) 60%. (e) 70%

Which of the following statements about this distribution is not correct?

(a) The histogram is right-skewed.

(b) The median is less than $\backslash (20$

(c) The IQR is $\backslash )35$

(d) The mean is greater than the median.

(e) The histogram is unimodal.

Forty students took a statistics examination having a maximum of $50$ points. The score distribution is given in the following stem-and-leaf plot:

The third quartile of the score distribution is equal to

$\left(a\right)45.\left(b\right)44.\left(c\right)43.\left(d\right)32.\left(e\right)23.$

The mean salary of all female workers is $\backslash (35,000$ The mean salary of all male workers is $\backslash )41,000$ What must be true about the mean salary of all workers?

(a) It must be $\backslash (38,000$

(b) It must be larger than the median salary.

(c) It could be any number between $\backslash )35,000$ and $\backslash (41,000$

(d) It must be larger than $\backslash )38,000$

(e) It cannot be larger than $\$40,000$

A survey was designed to study how business operations vary according to their size. Companies were classified as small, medium, or large. Questionnaires were sent to $200$ randomly selected businesses of each size. Since not all questionnaires in a survey of this type are returned, researchers decided to investigate the relationship between the response rate and the size of the business. The data are given in the following two-way table.

What percent of all small companies receiving questionnaires responded? $\left(a\right)12.5\%\left(c\right)33.3\%\left(e\right)62.5\%\left(b\right)20.8\%$