What would be your critical t-score? O Cannot be answered without a chosen level of significance, alpha O 2.321 O 1.521 O 1.675

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

A:

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: In soccer, serious fouls result in a penalty kick with one kicker and one defending goalkeeper. The…

A: Given:     Goal keeper jump   Left center Right Kick to Left 52 3 42 Kick to Center 39 8 29…

Q: The monthly rents for five apartments advertised in a newspaper were $650, $650, $760, $1550, and…

A: mean  Median

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: A bank found that in recent years, the average monthly charge on its credit card was $1,450. With an…

A: It is required to test if the average monthly charge on credit cards has increased at the 0.05 level…

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

A: Given, T score is 56. Now,

Q: Trials in an experiment with a polygraph include 97 results that include 24 cases of wrong results…

A:

Q: You take a medical test and the doctor tells you that your wellness z-score is 1.86. What percent of…

A: Let X be a random variable from standard normal distribution with mean = 0 and standard deviation =…

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: If a person’s z score equals -2.02, what is their percentile?

A: Given problem Given that   Given Person's z score =  -2.02 Using the Standard Normal Table ( Z Table…

Q: Reject Họ. There is sufficient evidence to conclude that the average credit score for mortgages…

A: Given data : sample size,n= 35

Q: Jesse was ranked 36th in his graduating class of 180 students. At what percentile is Jesse's…

A:

Q: The correlation between overall grade in the class and the scores on the final was 0.734. How much…

A: The correlation between overall grade in the class and the scores on the final was 0.734.

Q: Z score of 0.045

A:

Q: Effectiveness of New Drug To test the effectiveness of a new drug, a researcher gives one group of…

A: see the handwritten solution

Q: 1, Do males and females differ with respect to the type of degree earned? A random sample of 1,005…

A: As per our guidelines, we are allowed to answer first question only. Thanks   1)  The row and column…

Q: Match the coefficient of determination to the scatter diagram. The scales on the x-axis and y-axis…

A: Given, a) R2 = 0.27 b) R2 = 0.94 c) R2 = 1 Coefficient of determination : The coefficient of…

Q: The data show the chest size and weight of several bears. Find the regression equation, letting…

A: From given data,   X Y X*Y X*X 45 352 15840 2025 50 374 18700 2500 43 275 11825 1849 43…

Q: Find the p-value based on a standard normal distribution for each of the following standardized test…

A: From the provided information, a) z = 0.92 (The test is right tailed test for a difference in two…

Q: Intages of to college football quarterbacks for their freshman and sophomore seasons are shown in…

A: Given that :n= 10 sample size Claim: The pass completion percentage has changed.

Q: 18. Jerry scored 80, 85, 87, and 88 on his irst four tests in science. Which is the score on his…

A: Solution: The objective is to find the fifth score

Q: MATHEMATICAL

A: Given, Sample  Mathematical Skills (x) x2 1 43 1849 2 37 1369 3 44 1936 4 30 900 5 32…

Q: I need help with this question. mean= 505, SD= 110 a) Estimate the 97.5 percentile of the data b)…

A: Given X~ N(mu=505,sigma^2=110)

Q: Jose has scored  79 ,  84 , and  85  on his previous three tests. What score does he need on…

A: Step 1:. The formula for average is:Average=Number of scoresSum of all scores​ Let's apply this…

Q: Willie has an average (mean) of 83.2 on the first five exams. What is the least he can score in…

A: Need to find out least that the student can score in order to have an average of 85.

Q: Helen scored in the 85th percentile of the IQ test. What was her raw score? M=100    s=15

A: Given, Helen scored in the 85th percentile of the IQ test. Mean , M=100 and Standard deviation, s…

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: What is the P value?

A: We have given that  p0=39/(32+39)=0.5493 α=0.05

Q: Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 35 of the…

A:

Q: The monthly rents for five apartments advertised in a newspaper were $700, $700, $770, $1750, and…

A: Mean for a given set of data is obtained by averaging the values over given set of data. Median is…

Q: A student completed an exam and their z score was -1.57. What percentage of students did better on…

A: We know that Z-score = (x - mu)/sigma  mu= 0 , sigma =1   X~N( 0,1)

Q: Are the digits of your R-number a quantitative or qualitative variable?

A: Quantitative variables : Variables consist numbers known as Quantitative. Example : Height, age,…

Q: A math teacher claims that she has developed a review course that increases the scores of students…

A: Solution

Q: Using the answer from Step 1, find the percent of the patients with IQs above 104. (Round your…

A: Let X be the random variable such that IQ. The z-score for an IQ of 104 is 0.75. It it required to…

Q: The maximum acceptable level of a certain toxic chemical in vegetables has been set at 0.4 parts per…

A: Suppose μ is the population mean level of the chemical in tomatoes from the producer.

Q: Scores on a test have a mean of 66 and a standard diviation of 9. Michelle has a score of 57.…

A: Given,          Mean μ=66          Standard deviationσ=9          Michelle has a score X=57

Q: If MSwithin is 6.46 and MSbetween is 12.86, what is your F value?

A: Here we have given the information, MSwithin = 6.46  MSbetween = 12.86 We have to find the F value.

Q: What percent of scores are below a z-score of z=−1.19? (You can use the z-table)

A: Given: z-score = z=−1.19 We want to find the percent of scores that are below a z-score.

Q: What's the scale factor? A' AV C' O B B" 5

A: Given: The figure is  To determine: The scale factor the given figure.

Q: Part 2 of 2 (b) The bottom 2.5% of students must go to summer school. What is the minimum score you…

A: It is given that  Mean = 395 Standard deviation = 96 Z-Score, Z = ( X - μ )/σ