Find the range, the standard deviation, and the variance for the given samples. Round non-integer results to the nearest tenth. \[ 84,72,73,100,61,81,74,54,49 \] range standard deviation variance

73. The mean of \( \frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{3}{8} \) and \( \frac{5}{6} \) is

Jamestown is holding a special election to approve funding for a new library. The Jamestown News asked a sample of 300 registered voters how they plan to vote on the library. Of those in the sample, 186 people said they plan to vote in favor of the library.

Application type Questions In a bar graph, if a rectangle of height 7 cm represents 42 boys, the rectangle of height 5 cm represents \( \begin{array}{llll}\text { A) } 25 & \text { B) } 30 & \text { C) } 32 & \text { boys }\end{array} \)

Zia is laid off, and sends out 18 job applications. Statistically, one in six applications results in an interview. How many interviews can Zia expect? Shade the number of applications that result in interviews.

(c) Calculate the mode for the distribution (I0 MARKS) (d) Calculate the median for the distribution (10 MARKS) (c) Draw a histogram for the distribution (io iMARKS) Using the data in Question I above: