ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Statistics Videos 87 videos
Statistics, Data, and Probability II Drill 3 Problem 2. Which two sports together make up for the preferences of more than half of all those w...
Statistics, Data, and Probability II Drill 3 Problem 3. One hundred twenty of those who were asked preferred what sport?
Statistics, Data, and Probability II Drill 1, Problem 2. Based on the chart, which of the following statements is true?
ACT Math 1.5 Pre-Algebra 339 Views
Share It!
Description:
ACT Math Pre-Algebra Drill 1, Problem 5. Can you find the mean?
Transcript
- 00:03
Time for your daily dose of shmoop... Open wide!
- 00:07
Find the mean of the following numbers: 37,
- 00:09
38, 45, 67, 23, 81. And here are the potential answers...
- 00:18
This... is nice.
- 00:20
This... is mean.
Full Transcript
- 00:23
But we're talking about mean in mathematical terms... here, it's just a fancy word for average.
- 00:27
To calculate averages, we first add the numbers...
- 00:30
...to get a total of 291
- 00:33
Since there were 6 numbers, we divide by 6.
- 00:39
So 6 goes into 29 four times, leaving 5... then 6 goes into 51 eight times, leaving 3...
- 00:48
so we have 48 and 3 sixths... or 48 and a half... or 48.5.
- 00:55
So the answer is B.
- 00:57
As in, "Baby needs another nap."
Related Videos
ACT Math: Plane Geometry Drill 3, Problem 1. What is the area of the trapezoid shape in the video?
ACT Math: Coordinate Geometry Drill 1, Problem 1. Which inequality is expressed by the number line?
ACT Math: Intermediate Algebra: Drill 3, Problem 1. Find the fifth number in the series.
Statistics, Data, and Probability I: Drill Set 3, Problem 4. How many different avatars can be created based on the given options?