A population has a mean u = 17 and standard deviation o=14. What number has a z-score of -0.1? O-1.2 O-1.4 O-18.4 O 15.6

Q: How do I calculate to get this std dev answer?

A: Given Information: Proportion p=0.40 Sample size n=50 Based on the concept of Central limit theorem,…

Q: How many factors are in this scenario? For each clearly labeled factor, how many levels it has and…

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: What is the z score for test scores of 70 and 90?  TEST SCORES: 50,60,61,63,66,67,73,82,89,92

A: From the provided information, The test scores are 50, 60, 61, 63, 66, 67, 73, 82, 89, 92

Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 8. Do…

A: As per guidelines expert have to answer first question three subparts only dear student please…

Q: SAT Math Suppose that scores on the SAT Math test are approximately normal with a mean of 500 and a…

A:

Q: What is the p-value only?

A: It is given that  In the original solution  The value of the test statistic is z = 3.92. The given…

Q: A Sample of 25 cities have been classified as high or low on their homicide rates and on the number…

A: The formula for chi-square is, χ2=∑fo-fe2fe In the formula fo is the observed frequency, fe is the…

Q: In a large clinical trial, 392,323 children were randomly assigned to two groups. The treatment…

A: Solution

Q: What is the main difference between z score and T score?

A: Z Score and T scores are both used in Hypothesis testing.  Z score is used while using z test and T…

Q: Find each z score and tell if it is unusual

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Q: Did anyone have an iq of 115?

A: Histogram is given :  First we will construct frequency table from the histogram :  Steps :  Write…

Q: Find the​ z-score that corresponds to each life span.

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Q: What percentage of scores fall between the following z scores: -1 to +1; -1 to +2; and -1 to +3?

A: a) -1 to +1 = P(-1<z<1) = P(Z<1)-P(Z<-1)  =0.8413-0.1587 =0.6826 =68.26%

Q: Describe one-tailed p-values.

A: The choice of a specific value of the level of significance is completely subjective and hence the…

Q: According to the US Census Bureau in 2021, 23% of children under 18 live with only one parent.…

A: To test whether the percentage of children under 18 living with only one parent in Beacon Hills,…

Q: Can anyone please send me the normal standard table

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Q: Mean=5 Mode=1 9,3,1,6, _,_, What are the two missing numbers

A: Step 1: Define the mean and the modeThe mean is the sum of all the values divided by the number of…

Q: determine the interquartile range of quiz scores from the table

A: Arrange the number in ascending order. S.no x 1 2 2 4 3 5 4 6 5 7 6 8 7 8 8 9

Q: 2. Explain the steps of finding the IQR.

A: 2) The steps to finding the value of IQR is, Step 1: First arrange the data in ascending order Step…

Q: Describe the formula used to calculate a z-score?

A: The formula used to calculate z-score is

Q: What’s the formula to turn a Z score to a T score?

A: The  score is the standardized score obtained by using population data or large samples .The  score…

Q: how do i calculate a z score or find the X-Value and determine if a score is usual or unusual

A: A z-score measures exactly how many standard deviations above or below the mean a data point is.

Q: Thanks. Why is Kathy's score considered better-is it because it is a posituve score? What does the Z…

A: Bobby' Z- score ( wasZ=Bobby's score  of 1080 was between 1 and 2 standard deviation above the mean…