in two items are wrongly taken as 30 and 27 instead of 3 and 72, find correct Mean.

Q: Assume that in one of the classes the student has earned test scores of 73​, 81​, 51​, 76​, and only…

A: We have a given ,one of the classes the student has earned test scores of 73,81,51,76

Q: If the researcher wishes to test the claim that the mean of the population is 75, the appropriate…

A: We have given that,  If the researcher wishes to test the claim that the mean of the population is…

Q: 15. The purpose of statistical inference is to provide information about the mean of the sample…

A: Here, we use the concept of statistical Inference.

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 random study of 50 people finds that 12 people in the sample are over 6' tall.  What is the…

A: We have to find proportion for given data.

Q: Find eight numbers such that the mean, the median, and the mode of the numbers are all 45, and no…

A: Let us consider the number : 42,43,44,45,45,46,47,48

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: Let ?~?(68, (3)2), where ? is the height (in terms of inches) of female students at Adamson College.…

A:

Q: 1. The following is a sample of quiz scores: 1, 6, 4, 2, 5, 9, 7, 4, 8, 4. What is the mean of this…

A: Given Information: 1) sample of quiz scores is 1, 6, 4, 2, 5, 9, 7, 4, 8, 4. To find the mean of…

Q: the claim is that for a smartphone carriers data speeds at airports, the mean is 14.00Mbps. the…

A:

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

A: Given information: Percentage of students that work full time = 22% The probability of success, that…

Q: The mean weekly salary of 9 teachers in a school is $1,000. If the school has 9 teachers and 11…

A: SOLUTION-

Q: Find the standard deviation for the set of numbers. 9, 16, 7, 14, 6, 6, 7, 13, 17 O 4.2 4.8 O 4.4 O…

A: From the provided information, Sample size (n) = 9 The sample mean can be obtained as:

Q: If your 1st Term Score in this class is 38.42, and your 2nd Term Score is 43.83, what score do you…

A:

Q: Find the mode of the following: 1, 1, 3, 3, 3, 5, 5, 8, 9 O 1 O 3 O 5 O 8 O 9 Question 17 Find the…

A: Given data is,1, 1, 3, 3, 3, 5, 5, 8, 9

Q: n analyst stated that the average amount of money spent on New Year gifts for friends is above…

A:

Q: A sample of n = 6 scores has a mean of M = 10. One new score is added to the sample and the new mean…

A: Introduction: The mean of n observations, x1, x2, …, xn is given by the formula:

Q: Suppose that in key punching of 80 column IBM cards, the arithmetic mean number of mistakes per card…

A: Given: λ = 0.3 As per Poisson distribution, P(X = x) = e-λ*λxx!

Q: Assume that in one of the classes the student has earned test scores of 76, 83, 51, 74, and only one…

A:

Q: Given a population of 5000 scores with mean µ = 86 and o= 10. How many scores 4. between 76 and 86?

A:

Q: SRS of 25 commuters to the Washington DC re selected, and each is asked how far they ommute to work…

A: Given data,n=25The sample mean x=39Sample sd     s=6Construct 90% CI?

Q: claim the mean weight of beauty pageant winners is 106 pounds of 18 randomly selected beauty…

A: The claim is that the mean weight of beauty pageant winners is 106 pounds.

Q: For each statement, select tne correct nuli nypotnesis, Ho, and alternative nypolnesis, Ha, (a)…

A:

Q: he margin of error for a 90% CI for a mean, when the sample size is 12, the sample average is 52,…

A: As the population standard deviation is known, we will use t distribution. Degrees of freedom =…

Q: The average ( arithmetic mean) of 6,19, and x is 19. What is the value of x?

A:

Q: Suppose that in key punching of 80 column IBM cards, the arithmetic mean number of mistakes per card…

A:

Q: For which quartile , 25% observations are greater and 75% are smaller ? A. First quartile B Third…

A: It is an important part of statistics. It is widely used.

Q: b. Find the mean of these values assuming the first five values are each worth 10% and the last…

A: Given:  First 5 values of worth 10% and last value of 50% worth. Values given: 2, 6, 10, 14, 20, 32…

Q: 11. A multiple choice quiz consists of 10 questions, each with 4 possible answers. Find the mean for…

A: Given data: A multiple choice quiz consists =10 questions, each with = 4 possible answers. Therefore…

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: 28. Ifs 2.5 and the mean is 20, what is the mean ±2s? 29. If s = 3.0 and the mean is 20, what is the…

A:

Q: 50, the mean number of partners reported was 1.049 (sd=1.89). Is it reasonable that the mean number…

A: here sample size  = 3636         sample mean  = 1.049         sample standard deviation = 1.89 here…

Q: 47 Find out Ginni's mean difference from the following items :- 22, 24, 26, 28, 30.

A:

Q: (a) If the standard error of the mean is 10 for N = 12, what is the standard error of the mean for N…

A: The standard error of the sampling distribution of the sample means is given as follows:

Q: The mean age for licensed physicians in the United States is 51.5 years. A government official…

A:

Q: The mean of 16 items was found to be 30. On rechecking, it was found that two items were wrongly…

A: Steps Find the sum on mean 30 Add the number which should be ,to the sum Subtract the number which…

Q: Suppose we wish to test Ho: μ ≤ 53 vs Ha: μ > 53. What will result if we conclude that the mean is…

A: Ho: μ ≤ 53 vs Ha: μ > 53 we conclude that the mean is greater than 53 and true value of the mean…

Q: If the formula X = -Ex, is used to find the mean of the following sample, what is the value of n?…

A: Step 1: The given data set  43,36,93,2,28,83,10,22,9,84,41,3,13,20,66,7 Here to calculate sample…

Q: A group of 6  students was asked, "How many hours did you watch television last week?" Here are…

A: Given that the responses of students about the time of watching television. The responses are…

Q: A set of 12 scores has a mean of 42. Two new scores are added to the set. i) If one of the new…

A: Let the other score is x. Given that the mean of the 12 scores is 42. So the total score is =…

Q: The sum of the deviation for the values * .35, 45, 30, 35, 40, and 25 is Zero True O False O

A:

Q: A sample of n=8 scores has a mean of M=12. One new score is added to the sample and the new mean is…

A: Measures of central tendency measures the central value or average of a data. Measures of dispersion…

Q: A group of 5 students was asked, "How many hours did you watch television last week?" Here are their…

A:

Q: Suppose that 50 measurements were taken and the mean was calculated to be 4.55. Assume next that one…

A:

Q: About 2% of the population has a particular genetic mutation. 300 people are randomly selected.…

A: From the provided information, About 2% of the population has a particular genetic mutation that is…

Q: For the hypotheses Ho: H = 10 and Ha: u > 10, if we conclude that the mean is 10 when, in fact, it…

A: From the provided information, Null hypothesis: H0: µ = 10 Alternative hypothesis: H1: µ > 10

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: The mean for the following values 10 ,60 ,50 , 30 , 40 , 20 is 34 Select one: True • False

A:

Q: In an examination, the pass mark was 45. The mean mark of eight students was 53, but two of them…

A: Mean of a data is computed by dividing the sum of the observations by the total number of…

Q: Find the mean, the median, and the mode of the folowing salaries of emptoyees of the Moe D. Lawn…

A: According to the given information, it is required to calculate mean, median and mode of the given…