Given that the arithmetic mean of 500 items is 1000. However, at the time of calculations two items 1800 and 900 were wrongly taken as 1000 and 100. Please find the correct value of Arithmetic mean.

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: the average(arithmetic mean) of g and 100 is 75, what is the value

A: It is given that, the average of g and 100 is 75. we have to find the value of g+100=?

Q: Suppose there are 20 people in a room and the mean amount of cash held by these 20 people is $15.95…

A: Given, The mean amount of cash held by 20 people in a room is $15.95 per person. Two people enter…

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 certain species of plant can have a height between 0 and 100 inches, inclusive. For the first ten…

A: Solution

Q: The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the…

A: The cumulative frequencies are obtained in the below table:

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: Find the geometric mean between the numbers.1. 5 and 20 2. 6 and 8

A: To find the geometric mean between the given numbers. (1) 5 and 20  (2) 6 and 8 Solution: Geometric…

Q: The mean number of hours that Raphael worked over the past four weeks is 37.25. If he works 40 hours…

A:

Q: Assume now, that the largest observation in this dataset is 90. If this observation were wrongly…

A: Answer and explanation given in steps below.

Q: After 5 points are added to each score in a sample, the mean is found to be M=45 . What was the…

A: Given data: c = 5 points are added to each score in a sample. New mean, M = 45 Let the original mean…

Q: To calculate the mean, ______ all the numbers in the data set and then _______ the total by the…

A: If the given data is  x1, x2, x3,................., xn Are the n terms

Q: If we add a constant (say, d) for all data values, how this will affect the geometric mean? and what…

A:

Q: What is the incidence of CHD in smokers that can be attributed to smoking? Use the already rounded…

A: Cohort study used to establish the disease by following over a period of time among the exposure. It…

Q: Yesterday Al recorded 5 data values, and the mean of those values was 90. Today he realized the data…

A: Given dataMean of 5 data values = 90Data value 80 was actually 50Mean is given by

Q: What is the new mean, median and mode if each class size will be reduced into half?

A: Solution Given after reducing it half 7, 10, 10, 10, 10, 11.5, 12.5, 15,15, 15, 17.5, 17.5, 17.5,…

Q: If we multiply the data values by a constant (say, c), how this will affect the geometric mean? Use…

A: From the given information, It has been given that,

Q: The mean of 100 observation was 50, later if was found that one observation 35 was wrongly copied as…

A: Solution is given:

Q: For a raw data, the arithmetic mean is 56 and sum of the observations is 840. One of the…

A: Given Information: Arithmetic mean of raw data is 56. Sum of observations is 840. One of the…

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

A:

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

A:

Q: In your own words, describethe Mean Value Theorem.

A: Our Aim is to describe the Mean Value Theorem.

Q: Find the Geometric mean of : 2, 4, 6, 8, 12, 14, 16, and 18.

A: We have given that,  The data set is,  2, 4, 6, 8, 12, 14, 16, 18 Then,  We will find the Geometric…

Q: If we add a constant (for example, d) to all data values, how will this affect the geometric mean?…

A: Consider that x1, x2, x3, x4, x5, …. xn, are the data values. Thus, the GM (geometric men) can be…

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: show that the two formulae of the geometric mean are equal?

A: From the given information, Formula for geometric mean is given by;

Q: The mean of a class is 23.6 years. How old would a 26th student have to be for the mean age of the…

A: Given data The mean of a class is 23.6 years

Q: If arithmetic mean and geometric mean of two values are 10 and 8 respectively, find values.

A:

Q: If we add a constant (say, d) for all data values, how this will affect the geometric mean ? Give…

A: Consider that x1, x2, x3, x4, x5, …. xn, are the data values. Thus, the GM (geometric men) can be…

Q: The geometric mean of 10 observations was calculated as 28.6. It was later discovered that one of…

A:

Q: A laptop manufacturer claims that the mean life of the battery for a certain model of laptop is more…

A: Claim: the mean life of the battery for a certain model of laptop is more than 5 hours.

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

A:

Q: A researcher wishes to demonstrate that the mean income of American families with 4 members is now…

A: We always put the no difference under null hypothesis

Q: pharmacist received a prescription for a patient with rheumatoid arthritis calling for eight divided…

A: Since you posted many parts here, I can answer only first three parts. Please repost remaining…

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

A:

Q: Please explain how to find the mean for a frequency with and without statcrunch and excel. It is…

A: Solution: First let\'s learn how to do it manually.Suppose we have following data…

Q: a) Suppose the mean (average) of the 10 numbers is 35, median is 31. If you change only the 9th…

A: Gdfhhs

Q: Find the geometric mean between 3 and 15.

A: The given two numbers are 3 and 15 We need to find the geometric mean between the given two numbers.…

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: Yi = 5,25,50,100,200.

A: Given data isYi=5,25,50,100,200

Q: The average monthly salary of 86 employees has been calculated as ¢1516. Employee No. 87 earned…

A: From the provided information, The average monthly salary of 86 employees = ¢1516 Employee No. 87…

Q: What is Approximate Numbers?

A:

Q: Explain how you can quickly calculate the mean of the following list of test scores without adding…

A: Given data 83, 79, 81, 76, 81

Q: Find the Arithmetic Mean. .., -35, (___), 25, ..

A:

Q: The mean of 15 items was found to be 30. On rechecking, it was found that, two items were wrongly…

A:

Q: A fast food restaurant boasts that their mean wait time in the drive-thru line is less than 3…

A: Given Information: Number of customers n=125 Sample mean wait time x¯=2.82 Population standard…

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.