Title: Mean Median Mode ESSAY
Course: quiz duplicate error

The Cycle Shoppe sells 10 brands of bicycles with these prices:
$90, $130, $180, $280, $320, $390, $670, $840, $1050, $1400
a.      What is the mean price?
b.      What is the median price?
c.      Which price seems most typical?  Explain your thinking.

A group of 9 students has these numbers of children in their families: 3, 2, 4, 2, 1, 5, 1, 2, and 7 children.
a.      Find the median number of children in the 9 families.
b.      Find the mean number of children in the 9 families.
c.  Explain what happens to the mean number of children when the family with 7 children adopt 5 more children.

Consider each distribution below. For each distribution, where possible, tell how many people are represented by the data, and identify the mode, median, and range.

      a.
[Image]

            b.
[Image]

For the distribution below, tell how many people are represented and identify the mode, median, and range.

[Image]

Mr. Watkins arranged the quiz scores of his afternoon math class from least to greatest:
5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 10, 10
a.      How many students are in Mr. Watkins’s afternoon math class? Explain how you found your answer.
b.      How do the range of the quiz scores vary?
c.      What is the mode of the scores?
d.      What is the median of the scores?

Mrs. Wilcox asked each of her students to spin a spinner with 50 equal sections labeled with whole numbers between 1 and 50. Below is a stem-and-leaf plot showing the results of the students’ spins.

[Image]

      a.      How many students are in Mrs. Wilcox’s class?
      b.      What is the median number of spins by Mrs. Wilcox’s students?
      c.      What is the mean number of spins by Mrs. Wilcox’s students?
      d.      Which is the better measure of a typical number of spins by a student in Mrs. Wilcox’s class, the median or the mean? Explain your reasoning.

Every student in Mr. Smith’s class tossed 3 coins and counted the number of heads. The bar graph below displays their results.

[Image]

a.      How many students are in Mr. Smith’s class?
b.      What is the mean number of heads?
c.      What is the median number of heads?
d.      How many heads did the students toss altogether?
e.      How many tails did the students toss altogether?

The stem plot below shows test scores for Ms. McIntyre’s class on a state mathematics test. Students can score from 0 to 100 points.
[Image]
a.      What is the range of the data?
b.      What is the median of the data? How many students had a score the same as the median?

Every student in Mr. Smith’s class tossed 3 coins and counted the number of heads. The bar graph below displays their results.

[Image]
a. How many students are in Mr. Smith’s class?
b. What is the mean number of heads?
c. What is the median number of heads?
d. How many heads did the students toss altogether?
e. How many tails did the students toss altogether?
Feedback: a) 25 b) 1.52 c) 1 d) 38 e) 38 f) 75 - 38 = 37