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
Mathematics, 21.06.2019 23:30
The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.
Answers: 3
Mathematics, 22.06.2019 01:10
If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.
Answers: 2
Mathematics, 22.06.2019 03:00
If bill bought a home for $210,000 and he sold it a year later for $120,000 his percentage of loss is
Answers: 2
23. Movie lengths IT.' Exercise 21 looked at the running
times of movies released in 2005. The sta...
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