Need on doing the work to figure out how music hour she took

D 1/27 hour per question

Step-by-step explanation:

She answered 9 questions

She took 1/3 of an hour total

We want to find time per question

1/3 ÷ 9

Copy dot flip

1/3 * 1/9

1/27 hour per question

i am sorry it just submitted an answer but the answer is 365 boys. hopes this

step-by-step explanation:

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.