# mean

### Mean median mode range even amount of numbers

[MEDIA]
Thread by: math_celebrity, Dec 14, 2023, 0 replies, in forum: Calculator Requests

### A set of 19 scores has a mean of 6.3. A new score of 8 is then included in the data set. What is th

A set of 19 scores has a mean of 6.3. A new score of 8 is then included in the data set. What is the new mean? We know the mean formula is: Sum...
Thread by: math_celebrity, Nov 16, 2021, 0 replies, in forum: Calculator Requests

### The mean age of 10 women in an office is 30 years old. The mean age of 10 men in an office is 29 yea

The mean age of 10 women in an office is 30 years old. The mean age of 10 men in an office is 29 years old. What is the mean age (nearest year) of...
Thread by: math_celebrity, Oct 18, 2021, 0 replies, in forum: Calculator Requests

### Consider the following 15 numbers 1, 2, y - 4, 4, 5, x, 6, 7, 8, y, 9, 10, 12, 3x, 20 - The mean o

Consider the following 15 numbers 1, 2, y - 4, 4, 5, x, 6, 7, 8, y, 9, 10, 12, 3x, 20 - The mean of the last 10 numbers is TWICE the mean of the...
Thread by: math_celebrity, Jun 28, 2021, 0 replies, in forum: Calculator Requests

### Henrietta hired a tutor to help her improve her math scores. While working with the tutor, she took

Henrietta hired a tutor to help her improve her math scores. While working with the tutor, she took four tests. She scored 10 points better on the...
Thread by: math_celebrity, Oct 23, 2020, 0 replies, in forum: Calculator Requests

### The mean of 3 numbers is 20. Two of the numbers are 21, and 35. What is the 3rd number?

The mean of 3 numbers is 20. Two of the numbers are 21, and 35. What is the 3rd number? The mean of 3 numbers is the sum of 3 numbers divided by...
Thread by: math_celebrity, Jun 30, 2020, 0 replies, in forum: Calculator Requests

### The mean age of 5 people in a room is 32 years. A person enters the room. The mean age is now 40. Wh

The mean age of 5 people in a room is 32 years. A person enters the room. The mean age is now 40. What is the age of the person who entered the...
Thread by: math_celebrity, Jun 3, 2020, 0 replies, in forum: Calculator Requests

### the mean of 12 scores is 8.8 . what is the sum of the scores ?

the mean of 12 scores is 8.8 . what is the sum of the scores ? The Mean is denoted as: Mean = Sum / count We're given: 8.8 = Sum / 12 Cross...
Thread by: math_celebrity, May 12, 2020, 0 replies, in forum: Calculator Requests

### A random sample of 149 students has a test score average of 61 with a standard deviation of 10. Find

A random sample of 149 students has a test score average of 61 with a standard deviation of 10. Find the margin of error if the confidence level...
Thread by: math_celebrity, May 3, 2020, 0 replies, in forum: Calculator Requests

### Construct a data set of seven temperature readings where the mean is positive and the median is nega

Construct a data set of seven temperature readings where the mean is positive and the median is negative. {-20,-10.-5,-2,-1,20,40} Using our...
Thread by: math_celebrity, Apr 27, 2020, 0 replies, in forum: Calculator Requests

### 6 numbers have a mean of 4. What is the total of the 6 numbers?

6 numbers have a mean of 4. What is the total of the 6 numbers? Mean = Sum of numbers / Count of numbers Plug our Mean of 4 and our count of 6...
Thread by: math_celebrity, Mar 24, 2020, 0 replies, in forum: Calculator Requests

### The mean height of a class of 20 children is 1.27 the mean height of 12 boys in the class is 1.29 wh

The mean height of a class of 20 children is 1.27 the mean height of 12 boys in the class is 1.29 what is the mean height of the girls in the...
Thread by: math_celebrity, Feb 20, 2020, 0 replies, in forum: Calculator Requests

### Each of 6 students reported the number of movies they saw in the past year. Here is what they repor

Each of 6 students reported the number of movies they saw in the past year. Here is what they reported. 19, 9, 14, 10, 16, 17. Find the mean...
Thread by: math_celebrity, May 31, 2019, 0 replies, in forum: Calculator Requests

### Class A has 8 pupils and class B has 10 pupils. Both classes sit the same maths test. The mean sco

Class A has 8 pupils and class B has 10 pupils. Both classes sit the same maths test. The mean score for class A is 55. The mean score for both...
Thread by: math_celebrity, Nov 17, 2018, 0 replies, in forum: Calculator Requests

### The patient recovery time from a particular surgical procedure is normally distributed with a mean o

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.3 days and a standard deviation of 2.1...
Thread by: math_celebrity, Jan 5, 2017, 0 replies, in forum: Calculator Requests