The geometric mean of 10 observations on a certain variable was calculated as 16.2. It was later discovered that one of the observations was wrongly recorded as 12.9, infact it was 21.9. Apply appropriate correction and calculate the correct geometric mean.

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A: μ=675 and σ=45 z-value for 700=700-μσ=700-67545=0.5556 z-value for 450=450-μσ=450-67545=-5

Q: The geometric mean of 10 observations on a certain variable was calculated as 16-2 was later…

A: Given that  n=10 , Geometric mean=16.2 Wrong observation=12.9 Correct observation=21.9 Formula of…

Q: The geometric mean of 10 observations of a certain variable was calculated as 16.2. It was later…

A: Given : n = 10 G.M = 16.2

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A: The sample mean is, x¯=∑xn=3+8+26+14+125=635=12.6 The data in the ascending order is 3, 8, 12, 14,…

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Q: The 12th earthquake listed on Data Set 21 had a magnitude of 2.83. Find the z score corresponding to…

A: From the given information, the mid range is 2.83 Mean=2.5723 SD=0.6505 That is,…

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A: Mean- It is the average value of the data set and is calculated by the sum of the data set divided…

Q: What is the Z value for a value of X = 60?

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

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Q: Suppose a certain scale is not calibrated correctly, and as a result, the mass of any object is…

A: Given the mass of any object is displayed as 0.75 kilogram less than its actual mass.

Q: Please, find the Harmonic Mean of the given data. ASAP Monthly rent less than (Rs.) 10 20…

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Q: The mean age of a group as 100 persons was found to be 32-02. Later it was discovered that age 57…

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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,

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A: Mean: The mean is a measure of central tendency. It gives an indication of the average value of a…

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Q: A doctor at a local hospital is interested in estimating the birth weight of infants. How large a…

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Q: The following graph portrays the distribution of the number of spicy chicken sand- wiches sold at a…

A: Empirical Rule: The percentage of values lies between one standard deviation from the mean is 68%.…

Q: There were 200 students and their intelligence were measured. The mean and Standard deviation…

A: N=200 Mean =110 Sd =14

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

A: Geometric mean of a data distribution a1, a2, a3,..,an is nth square root of product of all data…

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A: Standard normal distribution:The standard normal distribution is a special case of normal…

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

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

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Q: A doctor at a local hospital is interested in estimating the birth weight of infants. How large a…

A: Given information- Standard deviation (s) = 7 ounces Error (E) = 2 ounces The margin of error…

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: Suppose you scored 83, 77, 72, and 82 O on your four exams in a mathematics course. Calculate the…

A: The given scores are 83, 77, 72, and 82.We need to find the range and standard deviation of the…

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Q: The mean marks of 100 students were found to be 40. Later on it was discovered that a score of 53…

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Q: It is given that a vending machine dispenses a mean of 7.6 ounces with a standard deviation of 0.4…

A: Given: Mean = 7.6  Standard deviation =  0.4 oz

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Q: Given the mean of a certain data set as 115, what will be its new mean if all the data points were…

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Q: Which statement below is correct? a. Standard deviation should be used when calculating z for a…

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Q: This tells us how much the observation spread out from the mean.

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Q: prove that If we multiply the data values by a constant (say, c), value of geometric mean will be…

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Q: The number of miles driven on each of five tires was 17,000, 18,000, 18,000, 21,000, and 21,000.…

A: The given data is xi=17000, 18000, 18000, 21000, 21000. The number of observations is n=5.

Q: A set of data with a mean of 45 and a standard deviation of 8.3 is n Find each value, given its…

A: A mean is 45 with standard deviation 8.3 normally distributed. μ=45σ=8.3

Q: An electric company wishes to estimate the true mean lifetime of its bulbs. It desires to be 98%…

A: Given:  Lifetime of bulbs = X  Confidence level = 98% Within 25 hours . This is margin of error.…

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: I need help with understanding standard deviation.  How to calculate it from the mean?

A: The standard deviation describes the spread of the data distribution from the mean of the given data…

Q: IF your mean is 832 and your standard deviation is 86, what values like in the 36% range?? How do…

A: Given Data: Mean=832 SD=86

Q: The mean grade of  Adrian in the final examination in mathematics was 85 and the standard deviation…

A: Mean for mathematics = 85 Standard Deviation for mathematics = 7 Mean for science = 89 Standard…