What is Af and df of * 12.8 y = if x1 = 10 and x, = 10.24 ? %3D

Q: 4. For a 2 months case the sum of squared errors under WMA will be -

A: The objective is to compute the sum of squared errors for weighted moving average The formula to…

Q: Kevin scored at the 70th percentile on a test given to 9920 students. How many students scored lower…

A:

Q: What is the percentage of accuracy if the coefficient of determination egual to 0,56? *

A: Given that the coefficient of determination is 0.56. That is, the percentage of variation in the…

Q: If X ~ N(10,3), find the X value that is the 16th percentile.

A: From the provided information, Mean (µ) = 10 Standard deviation (σ) = 3

Q: Explain the coefficient of determination (r2) and how it is related to Pearson’s r.

A:

Q: A researcher reports an F-ratio with df = 29, 4 from an independent-measures research study. Based…

A:

Q: What is the formula to find weighted mean.

A: Weighted Mean: A mean in which some values are more important than others.

Q: A researcher reports an F-ratio with df=3,70df=3,70 for an independent-measures research study.…

A: Given: A researcher reports an F-ratio with df=3,70

Q: A coin rushes 10 times. What are the chances of 3 to 6 rounds?

A: The problem explains us that a coin rushes 10 ,now we have to calculate the chances of 3 to 6…

Q: Ex. X = 400 Y = 700 Exr = 15, 000 Σε X2 = 16, 229 y2 = 50, 000

A:

Q: The correlation between a serials fiber and potassium contents is r = 0.898. What fraction of the…

A: Given that  r = 0.898

Q: figure to the nght, hich shows the percentages of adults from several countries who favor building…

A: The survey included the random sample 1125 adults from country A, 1003 adults from country B, 1019…

Q: let x~ N Ci0,2) Calculate 85th percentile

A: Answer is 11.466

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

A: Solution

Q: Why is the df value decreased by SPSS if we fail the Levene’s test?

A: Null and alternative hypothesis in order to apply Levene’s test: Levene’s test is used to test the…

Q: A researcher reports an F-ratio with df= 2, 18 from an independent-measures research study. Based on…

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

Q: What is the uncertainty or Standard Error for this difference in proportions? (F

A: Here For People uses Internet Regularly Sample Size=n1=1754 x1=807 p1^=8071754=0.46 Now For people…

Q: A researcher reports an F ratio with df=2,27 from an independent measures research study. How many…

A: The degree of freedom for F ratio is (k-1, N-k), where k is the number of treatment conditions and…

Q: Kevin scored at the 60th percentile on a test given to 9920 students.How many students scored lower…

A: Given Kevin score = 60th percentile No. Of students = 9920

Q: You sampled 13 people and got their pre-diet weight and post-diet weight. If α=.05α=.05, the test…

A:

Q: A researcher reports an F-ratio with df = 3, 36 from an independent-measures research study. How…

A: A researcher reports an F-ratio with df = 3, 36 from an independent-measures research study. It is…

Q: A researcher reports an F-ratio with df=2,27 from an independent-measures research study. How many…

A: Given, A researcher reports an F-ratio with df=2,27 from an independent-measures research study. Let…

Q: Researchers conducted a survey among 400 doctors to ask the question; "Are you willing to treat your…

A: Given Sample size, n = 400  For a conservative case, we assume that the proportion of  patients…

Q: What does MS between reflects?

A:

Q: ep 5 of 5: Find the percentage of students that scored higher than 80.5. Round your answer to the…

A: Given:  Histogram of score with corresponding frequency Score:     70.5-75.5, 75.5-80.5, 80.5-85.5,…

Q: The z score length of a carrot is 1.5, what is the length of this carrot?  what percentage of…

A: We have to find  the percentage of carrots....

Q: What percentage of the worker will finish this job within 30 minutes of the population mean? What…

A:

Q: 138 patients who received 10-mg doses of a drug daily, 33 reported headache as a side effect. Obtain…

A: We have given that Sample size n =138 Favorable cases x =33

Q: A researcher reports an F-ratio with df=4,98 for an independent-measures research study. How many…

A: A researcher reports an F-ratio with df=4,98 for an independent-measures research study.

Q: The coefficient of variation for the systolic measurements is ___ %? The coefficient of variation…

A: Solution: The systolic and Diastolic measurements for a group of 10 adults are given. The…

Q: The pharmacist requires to weigh 0.375 gram of morphine sulfate on a balance of low accuracy. When…

A:

Q: NCAE shows that the average score of the students is 80 and sd is 15. What is the percentile rank of…

A: Given :     Mean (μ)=80Standard deviation (σ) = 15x=84

Q: Is the difference of means significant ? The value of t for 9 degress of freedom at 5% level is 2.26

A:

Q: Greg works as a carpenter. There is a 3 percent chance he loses a finger which they value at…

A: Given: Probability of losing finger is, PE=3%=0.03. Expected insurance value is, Ci=$200000. The…

Q: A researcher reports an F-ratio with df = 2, 18 from an independent measures research study. Based…

A: From the given information, Df treatment = 2 and Df Error = 18.   Df treatment = Number of…

Q: The American Heart Association is about to conduct an anti-smoking campaign and wants to know the…

A:

Q: O mean increases by 7.6

A:

Q: What is the value of z if only 15.87 percent of all possibile z values are larger

A:

Q: What is the measure of ¿LMQ?

A: Solution of the problem as follows

Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

A: Since Kevin scored 60th percentile, it means that Kevin's score is in the top 60 % of amongst the…

Q: A researcher reports an F ratio with df=2,27 from an independent research study. What was the total…

A: Solution: It is given that a researcher reports an F ratio with df = 2, 27 from an independent…

Q: The median age at first marriage of US Woman (26.1 years) is what percentage less than the median…

A: We have been given the median age of woman and men and we have to find median age of woman is what…

Q: A population with a mean of u = 8 has EX 40. How many scores are in the population?

A: From the provided information, Mean (µ) = 8 ∑X = 40

Q: 19. What is the value of SSx? (SHOW YOUR WORK)

A: We need to find the value of sum of squares of X i.e. SSx using the given graph and table.

Q: what is e valueofECv-Z)² fr 43,4? Scores

A: What is the value of ∑(x-2)2  for scores x={1,3,4}

Q: SOLVE FOR THE FOLLOWING with complete solution:  1, 3, 4, 5, 5, 6, 8, 8, 8, 9 A. 1st Quartile B.…

A:

Q: If t=1.093 with degrees of freedom equal to 10, what percentile does this represent?

A:

Q: If im getting 5gb of data per day , then what will be the EPS (event per second) in 24 hrs?…

A: Consider the provided question, Since, In 1 days or 24 hrs got 5 GB data. Given, 400 bytes = 1 eps…

Q: A sample of ore is found to be 0.0022% gold and 0.059% silver. What is the percentage of matter in…

A: Given that: Percentage of gold in the ore = 0.0022% Percentage of silver in the ore = 0.059% Find…