The mean of 15 items was found to be 30. On rechecking, it was found that, two items were wrongly taken as 32 and 18 instead of 22 and 28 respectively. Find the correct mean. 수 40 30 20 35 Next page

Q: can you find the mean of 60 people in this table

A: Know that  Mean = sum of all observations/total number of observations  Sample size n=60

Q: Suppose that the mean score of a class of 32 students was 80. The 20 male students in the class had…

A: Given,The mean score of 32 students(x¯)=80The mean score of 20 male students(M)=68

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

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Q: find the mean of 2,4,6,8 and 10

A: Given data is 2,4,6,8 and 10sample size(n)=5

Q: tudent obtained the mean of 58 observations as 48. It was later found that one observation was…

A: Given data, n=58 The mean for 58 observations is 48 x=∑xn48=∑x58∑x=2784

Q: A set of observations has 4 values and a mean of 33.6. A new observation of 21.3 is added to the…

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Q: The scores on a mathematics quiz out of 100 are shown. {63,71,40,99,52,94,83,67,94,89,14,76,68}.By…

A: Mean=Sum of all observationsNumber of observations=91013=70

Q: The mean of Salary of 500 employees per day was found to be 150. But later on, it was found that the…

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Q: Suppose that the mean score of a class of 33 students was 80. The 17 male students in the class had…

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Q: According to a report, the mean of monthly cell phone bills was $49.77 three years ago. A researcher…

A: It is given that, The mean of monthly cell phone bill was $49.77 three years ago. A researcher…

Q: According to a college survey,22% of all students work full time. Find the mean for the number of…

A: Given data,p=22%=0.22n=16Mean(μ)=?

Q: Angela wants to estimate the mean number of siblings for each student in her school. She records the…

A: Explanation:Here, estimate the mean number of siblings for each student in Angela school. Moreover,…

Q: readings from a sample of adults and eight of those temperatures are listed below (in degree…

A: 1) Put the data onto the spreadsheet       2) calculate the mean of the given data using the…

Q: If the mean of your grades in 4 subjects in the first semester=60, and the mean of your grades in 6…

A: There are two types of data we can see in statistical analysis. i.e univariate data and bivariate…

Q: Find mean for 2,3,4 and 5

A: According to the provided information, the samples are 2, 3, 4, and 5

Q: Mr. Zuro finds the mean height of all 16 students in his statistics class to be 69.0 inches. Just as…

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Q: Compute the mean of 45, 23, 78, 27, 19, 12, 62.

A: Given : X = 45, 23, 78, 27, 19, 12, 62 n = 7 We want to find mean.

Q: Suppose there are 5 students in a room. The mean age is 20.0 years, and the median age is 19. If the…

A: From the provided information, There are 5 students in a room. The mean age is 20.0 Years. The…

Q: Compute the mean of 68, 14, 39, 38, 42, 90.

A:

Q: What is the mean of 1,-3,4,5,7?

A: Given data, 1,-3,4,5,7   Mean=?

Q: The mean of 200 items was 50. Later on it was found that two items were wrongly taken as 92 and 8…

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Q: The mean of 200 items was 50. Later on it was dis- covered that two items were misread as 92 and 8…

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Q: Mean of (18,4,12,17,22,6 27,14)

A: We have to find the mean of the following numbers -  18,4,12,17,22,6,27,14 The formula for mean is…

Q: The mean of 11 numbers is 7. One of the numbers, 13, is deleted. What is the mean of the remaining…

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Q: In 2015, there were 680,000 police officers in the United States with yearly wages totaling $4.08 *…

A: The mean or average amount is computed by dividing the total of the data by the total number of…

Q: The governor of Florida would like to estimate the mean age of all Florida residents. To do so, he…

A: A parameter is a measure or characteristics based on population. A statistic is a measure or…

Q: If the mean of your grades in 4 subjects in the first semester = 60 , and the mean of your grades in…

A: Given that, the mean of grades in 4 subject Mean1, X1= 60  And mean2, X2= 50

Q: The mean wage of 100 workers per day was found to be 80. But later on, it was found that the wages…

A: As Prof. N. G. Das defined, "Measures of Central Tendency: A measure of central tendency represents…

Q: A card is randomly drawn from a deck of 52 card with replacement 456 times. Find the mean of the…

A: Total number of cards = 52 Number of hearts = 13 Let p = P(heart)= 13/52 = 1/4 = 0.25

Q: One sample has a mean of M = 10 and a second sample has a mean of M = 20. The two samples are…

A: Given: mean of one sample M = 10, mean of second sample M = 20. For part 1: To find the mean for the…

Q: Suppose that the mean score of a class of 32 students was 77. The 18 male students in the class had…

A: We have given that  Mean score of 32 students=77 Mean score of 18 male students=68 Find the  mean…

Q: The mean number of a set of 5 numbers is 12.7 . What extra number must be added to bring the mean up…

A: We know that,  Mean = (summation Xi)/n If Mean of 5 numbers = 12.7 then 12.7= (X1+X2+X3+X4+X5)/5…

Q: Lisa has entered a 95% condensate interval number (132,144 What is the estimate of the mean

A: Given 95% confidence interval for mean is (132, 144). The estimate of the mean is, Mean=132+1442…

Q: Suppose that the mean score of 28 students (in a class of 30 students) in a quiz is 28. What should…

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Q: In order to measure the liking of an application developed, tasting people were asked to score…

A: If arithmetic mean is, A.M.= 2.90 And ∑nimi = 725 We know that,  Arithmetic mean is given by, A.M.=…

Q: The mean 20 numbers is 77.5. In calculating this mean, the number 72 was incorrectly entered as 27.…

A: If any single value reported as wrongly at the time of mean calculation, then the corrected mean…

Q: In a small company there are 8 accountants , 14 engineers and 6 clerks . If the mean salary of the…

A: Solution: From the given information, there are 8 accountants, 14 engineers and 6 clerks in a…

Q: The mean of 200 observations was 80, later on, it was found that two  observations were misread as…

A:

Q: The IQs of six boys are 111, 119, 122, 124, 123 and x. If their mean IQ is 120, what is x?

A: Given IQ's of six boys is111,119,122,124,123,xMean = 120

Q: Suppose that the mean score of a class of 35 students was 74. The 18 male students in the class had…

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Q: There are eight boys in a preschool class. They're mean height is 33 inches, and the median height…

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Q: If you're working with this set of deviations: -8, -2, +3, +3, +4

A: Given, Let X be the set of deviations: -8, -2, +3, +3, +4

Q: A clerk entering salary data into a company spreadsheet accidentally put an extra "0" in the boss's…

A: Solution Median is the middle value in the observations and the mean is the average of the values.

Q: Mr. Zuro finds the mean height of all 16 students in his statistics class to be 67.0 inches. Just as…

A:

Q: The mean of 10 numbers is 8. If an eleventh number is now included in the results, the mean becomes…

A: Given,The mean of 10 numbers=8Let the 11th number be X.

Q: A pollster wants to know the average income of those who supported John McCain for president. He…

A: Here the sample data is collected and the mean is calculated from it. Hence we have calculated the…

Q: In a psychology class, 36 students have a mean score of 91.7 on a test. Then 19 more students take…

A: Given that, 36 students have a mean score of 91.7 on a test and 19 more students take the test and…

Q: One sample has a mean of M=5 and a second sample has a mean of M=10. The two samples are combined…

A: Given that, sample 1 has mean = 5 and sample 2 has mean =10.

Q: Suppose you go to the grocery store and spend $61.85 for the purchase of 14 items. What is the mean…

A: 6. The mean is the average value of the data set and is computed by summing up all the observations…