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

Q: Find the z-score that cuts off 70% in the body on the right.

A:

Q: What is 15% of 60? Showing all work.

A: x% of y =xy100

Q: You just took the GRE (in preparation for graduate school) and received a total score in the 98th Is…

A: Percentiles are used to measure position of a data.

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: How would i find the p-value?

A: The test statistic is -1.41.

Q: Hans has scored 75, 73, and 93 on his previous three tests. What score does he need on his next test…

A: Person H has scored 75, 73, and 93 on his last three tests.

Q: Sally just received her SAT results. Her SAT mathematics score was 600 and is in the 74th…

A: The score is 600 and it is the 74th percentile.

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

A:

Q: 25% of 12 is what

A:

Q: A woman buys 5 packets of biscuits at $x each and 3 packets of biscuits at $Y each. What is the…

A:

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

A: The score is 70

Q: you scored 88,92,and 87 on three tests.Write and solve an equation to find the score you need on the…

A:

Q: Twenty years ago, 57% of parents of children in high school felt it was a serious problem that high…

A: n = 900 x = 363 P0 = 0.57

Q: How did you get p value from hats given?

A: Solution-: We have test statistic=t_{stat}=-2.115 and df=87 We want to find the how to get p-value=?…

Q: What is v9%?

A:

Q: so is 80% z-score 1.

A: The mean and standard deviation of standard normal distribution are 0 and 1, respectively.

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: 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: How did you find how many test scores below 73 step by step?

A: The given test score is 73.

Q: Help me figure out what is a p-value?

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

Q: What percent of scores are below a T score of 56?

A: Given, T score is 56. Now,

Q: John calculated r -.44 for a set of n 10 pairs of values that represent the number of absences from…

A: Given that r = -0.44 midterm exam score ( y )   number of absences from class (x)

Q: ate Kobe was 6'6" (or 78 inches).  Suppose the average height of men is 5'9" (or 69") and SD is 3".…

A:

Q: Rhonda took a ribbon which was originally 81 cm in length. She cut the ribbon in thirds and measured…

A: Here, n is the number of cuts. Then, by the above information, length of ribbon piece, L(n)=813n We…

Q: You want to estimate the percentage of statistics students who get grades of C or better. How many…

A: Objective: To estimate the percentage of statistics students who get grades of C or better.

Q: Juan's team in College Prep math were using the "ruler drop" technique to study reaction times.…

A: Average=Total value/total number

Q: M= 90 SD= 7.8 What raw score is needed to be in the top 8%?

A: *Mean μ=90SD σ=7.8Top 8%⇒P(X>x)=0.08⇒P(X≤x)=092Corresponding  z-score is obtained as

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

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

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

A:

Q: How do you determine which exam score is higher relative to others

A: The normal distribution is a continuous distribution.

Q: "Save today by switching to SOAR!" is the slogan for SOAR, a cell phone service provider. Logan…

A: Farmula used Standard error=σ/√n Given  n=75, x̄=sample mean=$19.03, standard deviations=σ=$4.71

Q: The test score at the 25th percentile is 108. What is the test score at the 75th percentile?

A: Solution

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: How did you get the p-value?

A:

Q: Marla scored 70% on her last unit exam in her statistics class. When Marla took the SAT exam, she…

A: solution:  The difference is that Marla’s exam in her statistics class was graded by percent of…