Question

for each of the following, determine whether the question is a statistical question. give a reason for your answer.
a how many letters are in my last name?
b. how many letters are in the last names of the students in my 6th grade class?
c. what are the colors of the shoes worn by the students in my school?
d. what is the maximum number of feet that roller coasters drop during a ride?
e. what are the heart rates of the students in a 6th grade class?
f. how many hours of sleep per night do 6th graders usually get when they have school the next day?
g. how many miles per gallon do compact cars get?

identify each of the following data sets as categorical (c) or numerical (n). explain your answer.
a. arm spans of 12 6th graders
b. number of languages spoken by each of 20 adults
c. favorite sport of each person in a group of 20 adults
d. number of pets for each of 40 3rd graders
e. number of hours a week spent reading a book for a group of middle school students

rewrite each of the following questions as a statistical question.
a. how many pets does your teacher have?
b. how many points did the high school soccer team score in its last game?
c. how many pages are in our math book?
d. can i do a handstand?

Explanation:

Part 1: Determine if the question is a statistical question

• a. How many letters are in my last name?

There is only one - value answer for a single - person's last name. No variability in data.

There are multiple last names in the class, so there will be a distribution of values.

There are many students in the school, and their shoe colors will vary.

Answer:

No, because it has a single, definite answer.

• b. How many letters are in the last names of the students in my 6th - grade class?