At the end of lunch period one day, the junior class president
made an announcement asking
students to pick up their trash.
After the announcement, many
more students than usual
cleaned up after themselves.
The principal decided to have an
announcement like this every
day. This is an example of:
Answer choices:
collecting data
describing data
making an inference.
none of the above.

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.