MathTV Logo TOPICS
 
CHOOSE A TOPIC
MathTV Logo

Search Results
Math Topics

Statistics
Statistics: Mean, Median, and Mode, Variance and Standard Deviation

 

Problem  1
practice icon

Enrollment in college over a five-year period is shown by the following numbers. Find the mean enrollment over the five-year period. \[16,911,000\quad 17,272,000\quad 17,487,000\] \[17,759,000\quad 18,248,000\]

Choose instructor to watch:
Mr. Perez cc
Mr. Perez
Joshua cc
Joshua
Lauren cc
Lauren
Cynthia espanol spanish
Cynthia
Problem  2
practice icon

Enrollment in college over a five-year period is shown by the following numbers. Find the median enrollment over the five-year period. \[16,911,000\quad 17,272,000\quad 17,487,000\] \[17,759,000\quad 18,248,000\]

Choose instructor to watch:
Mr. Perez cc
Mr. Perez
Joshua cc
Joshua
Lauren cc
Lauren
Cynthia espanol spanish
Cynthia
Problem  3
practice icon

The selling prices of four hybrid cars were listed on hybridcars.com. \[\$23,063\quad \$31,700\quad \$28,600\quad \$24,650\]

Choose instructor to watch:
Julieta cc
Julieta
Mr. Perez
Mr. Perez
Lauren cc
Lauren
Cynthia espanol spanish
Cynthia
Problem  4
practice icon

A math class with \(18\) students had the grades shown below on their first test. Find the mean, the median, and the mode.
\(77 \quad 87 \quad 100 \quad 65 \quad 79 \quad 87 \quad 79 \quad 85 \quad 87\\ 95 \quad 56 \quad 87 \quad 56 \quad 75 \quad 79 \quad 93 \quad 97 \quad 92\)

Choose instructor to watch:
Lauren cc
Lauren
Mr. Perez cc
Mr. Perez
Aaron cc
Aaron
David cc espanol spanish
David
Problem  5
practice icon

Find the range of the test scores.

Choose instructor to watch:
Mr. Perez cc
Mr. Perez
Joshua cc
Joshua
Lauren cc
Lauren
Cynthia espanol spanish
Cynthia
Problem  6
practice icon

For the test score data used previously in this section, find the variance and the standard deviation.

Choose instructor to watch:
Mr. Perez cc
Mr. Perez
Octabio cc
Octabio
Julieta cc
Julieta
Octabio espanol spanish
Octabio