# Algebra/can you ck my anwers

A class obtained the following scores on a test.
Test Score Frequency
90 2
80 5
70 10
60 3
50 3
40 2
Find the mean, the median, the mode, and the range for the class. (If an answer does not exist, enter DNE.)

2(90)+5(80)+10(70)+3(60)+3(50)+4(40)than divide by 25 =1616 for the mean
median is 70, mode 70, and range is 50.

1. 👍 0
2. 👎 0
3. 👁 265
1. my sum was 1770
divide that by 25 gave me a mean of 70.8

your mean of 1616 should have hit you as absurd.
range is correct,
your median and mode sound logical

1. 👍 0
2. 👎 0
posted by Reiny
2. Thank you for your Help it is greatly appreciated. Have a great day

1. 👍 0
2. 👎 0
posted by Mary Ann

## Similar Questions

1. ### Math

Consider the following test scores obtained by a class. Test score 90 80 70 60 50 Frequency 1 4 11 6 2 Find the standard deviation (rounded to the nearest hundredth).

asked by Debin on December 4, 2012
2. ### statistics

1. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and a standard deviation of 4. Do not use the web calculator to answer the following questions.

asked by Anonymous on February 6, 2016
3. ### Statistics

A class obtained the following scores on a test. Test Score TestScore Frequency 90 1 80 6 70 10 60 3 50 2 40 3 What I did was 90+6(80)+7(10)+3(60)+2(50)+3(40)=1040 than divided by 25 which should give me the means it give me a

asked by Mary Ann on May 31, 2014
4. ### Measures of Central Tendency

The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 1 4 3 5 1 6 1 7 0 8 3 9 4 10 3 The mean score on this test is: The median score on this test is:

asked by Anonymous on December 7, 2016
5. ### Measures of Central Tendency

The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: The median score on this test is

asked by shley on October 22, 2016
1. ### Frequency-Math

The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: The median score on this test is

asked by LEE on October 23, 2016
2. ### I need help, I'm stuck...what is the correct answe

The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: 6.5 The median score on this test is: 7.5

asked by lee on October 24, 2016
3. ### Math - Averages

The test average for Louis' calculus class is found by taking the arithmetic mean of his four best test scores. If his first four test scores are 65,82,76 and 87, what score must he get on the fifth test to raise his test average

asked by Venus on September 13, 2013
4. ### Algebra

Test scores of average 7th grade class are: 77,83,92,66,89,74,98,79,85,75,80,88,76,96,84,100,71,93,70,82 The mean is 82.9 and the standard deviaition is 9.7 1. What score is in the 80th percentile? 2. Your teacher tells you that

asked by Ulia on May 30, 2016
5. ### statistics

the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum

asked by Anonymous on December 15, 2011

More Similar Questions