The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard deviation for SAT scores are 1050 and 150 respectively. Student A that scored a 27 on their ACT and Student B scored 140 on the SAT. Which student did Better? Both did the same Student A O Student B

Q: On a nationwide math test, the mean was 75 and the standard deviation was 10. If Roberto scored 85,…

A: The formula of Z-score is,

Q: a successful basketball player has a height of 6 feet 9 inches, or 206 cm. Based on statistics from…

A: Given,           Z -score=4.45           A basket ball player has a height of  6 feet 9…

Q: The lowest and the highest data value of a data set are 12 and 28 respectively, then the approximate…

A:

Q: he mean weight of baby deer and a local zoo is 15.8 pounds with a standard deviation of 2.4 pounds a…

A: a) Given values: 14.5, 16.8, 15, 16.4, 15.9. x=sum of data valuesnumber of data values…

Q: Salespeople for a car sales company have an annual sales average of $225,000, with a standard…

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Q: LU he leit UI U.)U Cheryl has taken two quizzes in her history class. She scored 15 on the first…

A: 3. Given: For first Quiz, mean is 12 and standard deviation is 2.4. For second Quiz, mean is 11 and…

Q: Which of the three histograms shown summarizes the data set with the smallest standard deviation?…

A: Data visualization is the process of denoting the numerical data visually. Data visualization can be…

Q: The data that follows represent the prices of shoes.$60, $59, $85, $99, $95, $100, $116, $75 Find…

A:

Q: The mean height for women in the United States is approximately 64.5 inches with a standard…

A: Formula : Z =(X - μ)/σ

Q: A Population has a Mean of 90 and a standard deviation of 25.  A sample of 20 college students is…

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Q: Dougal is filling out college applications that require either a SAT math score or ACT math score.…

A: Given Information: Dougal has an SAT math score of 610 and an ACT math score of 27. Mean SAT math…

Q: Steven ran the 100 meter dash in 13 seconds.  What is his T-score if the class mean was 14 seconds…

A: t statistic

Q: On a nationwide math test, the mean was 52 and the standard deviation was 4. If Roberto scored 85,…

A: The z score formula is,

Q: In an English test, the mean is 60 and the standard deviation is 6. Assuming the scores are normally…

A:

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: Given that,The middle 68% of the scores fall between 77 and 93.

Q: The average travel time to work for a person living in Kokoma, Indiana, is 17  minutes.  Suppose the…

A: Solution: Let X be the average travel time to work for a person living in Kokoma  Indiana has normal…

Q: A successful basketball player has a height of 6 feet 4​inches, or 193cm. Based on statistics from a…

A: The z-score identify that the value how many standard deviations from the mean. If the z-score is…

Q: Bill scored 35 on a college algebra exam, where the mean was 25 and the Standard Deviation was 5.…

A: Given that the score for algebra exam is 35, mean is 25 and standard deviation is 5. z score for…

Q: The arithmetic mean and the standard deviation of a set of 9 items are 43 and 5 respectively . If an…

A:

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: Given information middle 68% of the scores fall between 76 and 88 As per empirical Rule 68% falls…

Q: Ashley and Delaney began arguing about who did better on their tests, but they couldn't decide who…

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Q: a math exam, Joel had a score of which was exactly 2 standard iations above the mean. The dard…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: CO LO Translate Mikayla and April began arguing about who did better on their tests, but they…

A: Solution The one who have a  higher  score did better.

Q: Which would you expect to be the larger standard deviation: a. The standard deviation of the weights…

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Q: The average life of a car tire is 50,000 miles.  The standard deviation is 2,000 miles   What…

A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…

Q: In Statsville, there is a city-wide speed limit of 30 mph. If you are caught speeding, the fine is…

A: Let X be the random variable of drivers who were fined Given Data: E(X)=42 SD(X)=7   Let Y be the…

Q: In a Science test, the mean is 46 and the standard deviation is 4. Assuming the scores are normally…

A:

Q: a nationwide math test, the mean was 60 and the standard deviation was 7. If Roberto scored 85, what…

A: Given data,Mean μ=60sd    σ=7 If Roberto scored 85z-score=?

Q: On a verbal skill test, the mean was 72 and the standard deviation was 7. If John scored 75, what…

A: Given data,Mean μ=72sd      σ=7If John scored 75z-score=?

Q: On a nationwide math test, the mean was 58 and the standard deviation was 4. If Roberto scored 70,…

A:

Q: Max scored an 80 on her psychology quiz, but the class as a whole averaged a 40. If the standard…

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Q: Determine the class average if the standard deviation was 8% and Henry’s mark of 85% is equivalent…

A: Given that,  The standard deviation =8%, Marks of Henry's =85%, and z-score =1.30.

Q: An airline charges $25 for the first bag, $35 for the second bag.  54% have no checked luggage 34%…

A: The given information is that an airline charges $25 for the first bag, $35 for the second bag. 54%…

Q: The state and will spend 15 hours average a week and class and the standard deviation is 2 hours…

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Q: If some data is symmetrical and unimodal, and the mean and standard deviation are 230 and 40…

A: If the data is symmetrical and unimodal, then it is normally distributed with mean, μ=230 and…

Q: After calculating the mean and standard deviation, how do we interpret the result, and when a…

A: The mean is a measure of central tendency and the standard deviation is a measure of dispersion in…

Q: A final exam in Math 160 has a mean of 73 and with a standard deviation of 7.8. find the mean of…

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Q: On a standardized test, Sara had a score of 93, which was exactly 2 standard deviations above the…

A: The normal distribution in the center is generally denser and basically less dense at tails. There…

Q: Given the following scores of students in a test: 5,7,11,12,13,18 a) add 8 to each score then find…

A: Given that  The data are 5,7,11,12,13,18

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: The random variable score X is normally distributed and middle 68% of values fall between 71 and 83…

Q: The average length of one month old infants is 21. 52 inches with the standard deviation of one. 02…

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Q: Use the range rule of thumb to identify the values that are significantly low, the values that are…

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Q: Brian scored an 80% on a Chemistry Exam. The average on the exam was a 68%, with a standard…

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Q: The average on the Math section of the SAT was 500 with a standard deviation of 100. What score must…

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Q: Arthur has two children, Zeke and Lucy, who competed in a track meet. The results were as follows:…

A: Z-score: The z-score is a numerical measurement that describes a value's of the relationship to the…

Q: Ronnie and Loida who are best friends took a college entrance examination. The mean score and the…

A: The z score is used to estimate the number of observation deviation from the mean. The z score is…

Q: The mean critical reading score for seniors who took the SAT in 2018 was 536. If the standard…

A: Given Mean μ=536, standard deviation σ=115  X=435

Q: Valentina obtained a score of 75 in a science exam and 90 on her English exam. on which test did she…

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Q: The mean grade of Adrian in the final examination in mathematics was 85 and the standard deviation…

A: For mathematics :mean(μ)=85standard deviation(σ)=7For sciencemean(μ)=89standard deviation(σ)=13

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: Given : The middle 68% of the scores fall between 71 and 79 P(71<X<79)=68%