This box plot displays information about the number of text messages some students sent one day. A box plot for “number of texts.” The numbers 0 through 50, in increments of 5, are indicated. The five-number summary for the box plot is as follows: Minimum value, 0. Maximum value, 50. Q1, 10. Q2, 14. Q3, 20.

What is the median number of texts sent by students?
text messages

What is the IQR (interquartile range)?
text messages

Is this data set symmetric?
(Yes or No)

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work