With these numbers, I calculated the average to be 3.9828. How do I calculate the uncertainty in the average

Q: What is the difference between finding the Mean and Range?

A: Introduction:The mean is a measure of central tendency, whereas the range is a measure of…

Q: Calculate the probable error of the mean. A. +0.0247 B. +0.0055 C. +0.0167 D. +0.0037

A: To find the probable error of the mean ,firstly we find most probable value of measurement then we…

Q: In the past, trout in Clearwater Creek were 14.5 inches long on average. A recent sample of 36 trout…

A:

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: a survey of Town X found an average of 3.2 perosns per household and a mean of 1.2 televisions. I f…

A:

Q: On five exams, Rachel has a mean score of 80 points. Her lowest score was 50.  If this score is…

A:

Q: On a reading examination given to 900 students, Elaine’s score of 602 was higher than the scores of…

A: Solution

Q: The Taylors have recorded their weekly grocery expenses for the past 16 weeks and determined that…

A: Given The total number of weeks=16 Mean=$84.30 1 week's recorded expense is $48 but actual expense…

Q: For n = 15 year-2017 model sedans whose horsepower is between 290 and 390, the following…

A: See the handwritten solution

Q: Sometimes when you are sick, your forehead feels really warm. You might have fever. How can you find…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: find the value between z score -2.9 and 1.5287

A: To find: Find the value between z score -2.9 and 1.5287

Q: A researcher wonders whether younger mothers have babies that are significantly heavier or lighter…

A: Suppose  is the population mean weight of babies of younger mother.It is needed to test whether the…

Q: When i run the calculation to find the test statistic value (t), I do not get the same t-value…

A: Concept: one sample t test is used

Q: In a class of 10 students, James got 3rd position from the lowest. What is his percentile rank?

A: Given data: In a class of 10 students, James got 3rd position from the lowest. To find: What is his…

Q: In an outbreak of typhoid fever among attendees of an acquaintance party, 99 persons ate spaghetti,…

A: Given that:  n1=99  x1=30 n2=63 x2=20

Q: The p-value is not 0.0149.

A: Solution-: We want to find p-value for the given RBD design

Q: For standard deviation, the x-x or the y-y, which numbers do you use?

A: Please find the explanation below.

Q: Calculate the 60th percentlle of the data shown 2.7 7.3 9.6 10.1 12.1 21

A: Given that, The number of observations is given. Percentile is given by,

Q: Dr. Stoney has administered a test to his students. He calculated a x̄= 86 and ?? = 12. a. What is…

A: It is given that the mean is 86 and the standard deviation is 12.

Q: Suppose the mean of X is 6. What is the mean of Y if a = 0.66 and Y=aX?

A: From the provided information, Mean of X is 6 that is E (X) = 6 a = 0.66

Q: Eric scored 107 on the IQ test. What is his exact percentile rank? M=100    s=15

A: Given, Mean, M=100 Standard deviation, S =15

Q: what is the mean when pi= 0.25 and n=40?

A: Solution: From the given information, pi=0.25 and n=40.

Q: What is the mean of the numbers 0.1, 0.11, and 0.111?

A: 0.1 + 0.11 + 0.111 = 0.321

Q: A student pursuing a degree in English as a second language believes the proportion female factory…

A: Denote pF, pM as the true population proportions of female and male workers, who can’t speak…