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

Q: A restaurant server claims that 49% of the time he leaves candy with the bill, the customer "tips…

A: Given : n = 5 p = 0.49

Q: A certain test is worth125 points. How many points (rounded to the nearest point) are needed to…

A: A certain test is worth125 points.

Q: What proportion of z scores lie beteeen -2 and +2 in the height in inches data set? Round your…

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Q: The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the…

A: The cumulative frequencies are obtained in the below table:

Q: the mean = 146, and s =  35 Question #3 A percentage of female students with scores between 41 and…

A: From the provided information, Mean (x̅) = 146 Standard deviation (s) = 35

Q: A hospital emergency room accepts an average of about 47 bone fracture patients per week. Let the…

A: Given,The average no.of bone fracture patients per week is 47 .

Q: What is the z-value and area if score is 70 ?

A: The score is 70

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

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Q: Explain about Scheffe’s test.

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Q: I dont see .01 on the z score tables so how do you get -2.33?

A: Given data :  Cardiac pacemaker batteries will stop working if they are not properly calibrated and…

Q: Find the Score function

A: With respect to the relevant parameter, the score function is a derivative of the log-likelihood…

Q: The average (mean) score on an exam was 76.375 in a class consisting of 21 Administration students…

A: From the provided information, The average score on an exam was 76.375 consisting 21 Administration…

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: What's the IQR? Answer as a single value.

A: It is required to find the IQR for the given data.

Q: recent study revealed that 49% of adult Americans believe human activity contributes a great deal to…

A: Given that, A recent study revealed that 49% of adult Americans believe human activity contributes a…

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

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Q: what is the name of a test that is used to find the power of n=2?

A: Student's t-test is used to determine the mean difference between two treatments that have different…

Q: Part 2 out of 3   b. How many scores are below 90?

A: This question can be solved by the help of stem and leaf plot drawn in part a

Q: What is p value ?

A: The​ P-value is the probability of observing difference in the sample statistic this high or higher…

Q: Describe how to find approximate p-Values.

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Q: What is the difference between the average resistance to happiness at age 20 and at age 70?

A: Given :-  R = 4.6 - 0.02x put x = 20. ⇒R=4.6 - 0.02 × 20⇒R=4.6 - 0.4⇒R=4.2 Now, put x = 70 ⇒R=4.6 -…

Q: WHAT IS H0 AND H1 MEANS?

A: H0 is null hypothesis and H1 is alternative hypothesis.

Q: How do i calculate finding the percentage between two z scores?

A: To find the probability between two z-scores: z-score represents the number of standard deviations…

Q: Find the z-score that cuts off 40% in the tail on the left

A: Our aim is to find the find the z-score that cuts off 40% in the tail on the left

Q: one percent of grades are greater than what z-score?

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Q: What's the Z score and how is it calculated?

A: We know z-score is used in many fields. But we should know what is the meaning of z-score and how to…

Q: the value of so that 92.3% of the data lies to the right of

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Q: In 1997, in terms of population, county A ranked 9th out of 76 counties. What was its percentile…

A: We have given population of the counties  Total counties= 76 County A rank = 9 Percentage = 976×100%…

Q: How do I do Z score problems?

A: Introduction The z-score gives an idea of how far the data point is from the mean value.

Q: Find P₄₁ , which is the score separating the bottom 41% from the top 59%. P₄₁ =

A: It is given that the area is 0.41.

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: What's the p-value?

A: In this case, we need to define the p-value.

Q: how did you find the Z score?

A: The critical value  of z for 97% confidence  interval  is 2.17.

Q: Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored…

A: Mean= sum of total obervation/ total no. Of observation

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…

Q: P-Value means

A: P- value means: Define: The P value is defined as the probability under the assumption of no effect…

Q: George is shooting darts at a target with possible scores 4 and 15. What is the largest score he can…

A: The sum of number of observation involve in the sample or event with equal likelihood to all the…