Question

Andre collected data on the length, in minutes, of some films. This is a histogram summarizing his data.

How many films are in Andre’s data set?

Describe the shape of the distribution.

Answer 1

a. 85

b. Normal distribution

Explanation:

a. Number of films as per histogram:

• 10+20+25+20+10 = 85

b. Shape of distribution:

• As we can see from the histogram it has normal distribution and symmetric, this kind of shape is called Bell-shaped