Mathematics, 02.09.2021 07:00 aakakaa

23. Movie lengths IT.' Exercise 21 looked at the running times of movies released in 2005. The standard deviation
of these running times is 19.6 minutes, and the quartiles
are Qi 97 minutes and Q; = 119 minutes.
a) Write a sentence or two describing the spread in
running times based on
i) the quartiles.
ii) the standard deviation.
b) Do you have any concerns about using either of these
descriptions of spread? Explain.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, RickyGotFanz4867

What is the upper quartile in the box plot?

Answers: 1

continue

Mathematics, 21.06.2019 19:20, axelsanchez7710

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Answers: 1

continue

Mathematics, 21.06.2019 21:00, kmassarotti

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w

Answers: 1

continue

Mathematics, 22.06.2019 01:00, pullkatie

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

Answers: 1

continue

You know the right answer?

23. Movie lengths IT.' Exercise 21 looked at the running times of movies released in 2005. The sta...