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Mean Calculation
Page 2
Questions (282)
Mr brown gives his class a test.
The 10 girls in the class get a mean mark of 70 percent. The 15 boys in the class get a mean
9 answers
asked by
supersupersuper
2,896 views
Find the mean of the data set. If necessary, round to the nearest tenth.
18, 14, 8, 22, 25, 8 A. 15.8 B. 14.8 C. 16.1 D. 17.3
11 answers
asked by
Logan
897 views
A sample of n=7 score has mean M=5.After a new score is added to the sample the mean is found to be M=6.What is the new value of
3 answers
asked by
Anonymous
608 views
A random sample M1, M2,M3...M8 is taken from a population with unknown mean x. For each of the following, state wether or not it
4 answers
asked by
Yo
345 views
If a researcher wanted to know the mean weight (the mean is the sum of all the measurements divided by the number of
3 answers
asked by
Kim
851 views
The mean of a set of n numbers is 180, if 54 is added to the set of numbers the new mean is 159. Find n
4 answers
asked by
clolyne
668 views
You asked ten of your classmates about their weight. On the basis of this information, you stated that the average weight of all
6 answers
asked by
Josephine
1,456 views
Sasha's soccer team, the Strykers, tracked the number of goals they scored over the first 7 games of the season below.
3, 7, 3,
3 answers
asked by
Syniah
327 views
Friday is a class field trip and all 32 students bring their lunch. Will themean for the whole week be greater than or less than
3 answers
asked by
robin
731 views
The total yearly food bill for a family of four is $9395.59. To the nearest cent, what is the mean weekly food bill?
4 answers
asked by
Jacqueline
698 views
Rachel is curious about the number of pets that people own. She surveyed her 20 classmates, asking them exactly how many pets
3 answers
asked by
Kingbla
874 views
When the Indianapolis Colts recently won the Super Bowl, the numbers on the jerseys of the active players were 29, 41, 50, 58,
2 answers
asked by
Andrea
573 views
A group of seven students was asked how many hours did you watch television last week here are their responses 14 15 8 13 4 20
3 answers
asked anonymously
41 views
Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the
4 answers
asked by
Helen
684 views
Find the population mean or sample mean as indicated.
Sample: 21,18,4,7,10 Select the correct choice below and fill in the
2 answers
asked by
AOL
42 views
A _______
mean is used to calculate the mean of a frequency distribution.
2 answers
asked anonymously
30 views
What impact does deleting the data value 18 have on the mean of the dataset (19,18,22,19,18,22,17,20,18)? Round your answer to
4 answers
asked by
Muntasir Zarif
98 views
What are the means of the two datasets listed? (Round your answers to the nearest thousandth if necessary.)
Dataset 1:
2 answers
asked by
no name
53 views
I'm so sorry! I suck at math. But what is the MEAN of this data set: -2,-3,-5,-5,-10,-10,0,11???
1 answer
asked by
Kylie
224 views
When you calculate the mean the sign of the quotient always depends on the sign of the dividend why
1 answer
asked by
Miley
173 views
Mariah took 4 quizzes in her class during the past month. Her scores were 92, 94, 100, and 83. What was her mean quiz score?
A.
3 answers
asked by
brycen
546 views
Mrs. Gifford's class consists of 15 girls and 25 boys.
the class mean was 80 and the mean girl’s scores was 75. What was the
3 answers
asked by
Bill
485 views
On the first test the mean of the girls’ scores was 80 and the mean of the boy’s scores was 70. What was the class
2 answers
asked by
Bill
517 views
Mrs. Gifford's class consists of 15 girls and 25 boys.
On the first test the mean of the girls’ scores was 80 and the mean
3 answers
asked by
Bill
638 views
Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below:
Baseball Scores
7 answers
asked by
Alicia
1,023 views
In a study about children’s pocket money, two samples of schoolchildren were asked how much money they received each week. In
4 answers
asked by
Jay
595 views
26. Flight Data: Use the times required to taxi out for takeoff. For American Airlines, how is it helpful to find the mean?
Taxi
2 answers
asked by
Lexus
472 views
Mean of 6,8,10,3,7and m is 7 find value of "m"
1 answer
asked by
Gurman jagal
318 views
On the eleventh day of Statistics, my teacher gave to me… eleven pipers piping. While these popular pipers are on tour piping,
2 answers
asked by
please help
526 views
In an elementary school, 29% of children wear glasses. Suppose that a random sample of 31 children is selected. Find the mean
2 answers
asked by
Semmy
867 views
For a batch of apples containing 100 apples the mean mass is 8 gm. For half number of apples selected from 100 apples the mean
1 answer
asked by
Aye
373 views
If the mean of y1 and y2 is M1
and that of y1, y2, y3, y4 is M2, the mean of ay1, ay1.y3/a, y4/a is
1 answer
asked by
anoynomous
249 views
Kelly likes to fish at the lake near her house. She caught 8 fish last week, measured them, and put them back in the lake. The
3 answers
asked by
sjdsj
57 views
Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and
2 answers
asked by
Anonymous
486 views
input a list of positive numbers terminated by 0 into a array. find the mean of the numbers in the array and output the result.
3 answers
asked by
Nick
1,113 views
how did you come to this answer?
The answer is approximately =0.017 b) Ten Cobalts are randomly selected and the miles per gallon
1 answer
asked by
Stacey
990 views
22 points in game 1,18 points in game2, 20 in game 3 what was their mean score for these 3 games i answered 20 is that right
3 answers
asked by
Anonymous
982 views
Sam has started babysitting to earn extra money. On Thursday night she earned $26, on Friday night she earned $19, and on
2 answers
asked by
Lauren
524 views
if one class had 20 students participating in the taste test and each student's rating is represented as ak, how do you write
1 answer
asked by
Mary
393 views
Calculate the mean
Salt consecrations (mol dm-3) % of Cells Plasmolysed Mean 0.2 8 11 9 9 answer 0.4 29 26 25 28 answer 0.6 99
3 answers
asked anonymously
17 views
Write a mathematical expression, using the data from the table to show the following question what is the mean change in the
3 answers
asked anonymously
20 views
the probability is 0.6 that a person shopping at a certian store will spend less than $20. For group of size 19, find the mean
2 answers
asked by
Olivia
941 views
the probability is 0.6 that a person shopping at a certian store will spend less than $20. For group of size 19, find the mean
1 answer
asked by
Olivia
696 views
a population of 8 scores has a mean of 11. If one of the scores in this population is changed from x=9 to x=25, what value would
1 answer
asked by
Anonymous
431 views
what is the mean for the following number? 40,60,55,45,100 ?______
what is the lest Common Multiple (LCM)for 6 and 12 ?_______
4 answers
asked by
pat
521 views
In the list of five measurements shown below, one is blurred. What must this value be, if the mean of the five measurements is
9 answers
asked by
Renee
540 views
An ice cream shop owner recorded these daily sales of ice cream pints at his shop over the last 15 days. (See assignment sheet
1 answer
asked by
ruslan
430 views
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for
3 answers
asked by
Anonymous
1,200 views
ok there was a question that my teacher told me i got wrong
the question asked me to compute the mean which I did... then the
2 answers
asked by
stat
1,105 views
Mr.L would it be: To find the mean you would measure the size of 4 students heads, add the calculations together and divide that
2 answers
asked by
Chelsea
184 views
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Parent Categories (25)
Algebra
Arithmetic
Arithmetic operations
Arrays
Calculating average
Data Analysis
Data and Statistics
Data collection
Descriptive Statistics
Inequalities
Interpretation of Data
Math
Mathematics
Measures of Center
Normal Distribution
Number Operations
Population Statistics
Probability
Probability and Statistics
Probability Distribution
Random Variables
Sampling
Statistical Analysis
Statistical Measures
Statistics