Scores on the SAT form a normal distribution with a mean of u = 500 with a 100. If the state college only accepts students who score in the top 60% on the SAT, what is the minimum score needed to be accepted? Question 15 options: X = 475 X = 525 X = 440 Y = 560

Q: Use a two-proportion Z-test to determine if the proportion of people who responded positively to the…

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Q: One sample of scores has a mean of M = 45 and a sample size of n = 10 scores.  A second sample of…

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Q: A basketball measured the heights of his players and found them to be: 173cm, 177 cm, 185cm, 183cm,…

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Q: Q1. Choose the correct answer 1. The level of measurement of the variable "milk yield in kg" is: b)…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Iculate the mean and median and report the lower value of two.

A: Answer The sample size [n] = 10-7.4, -3.4, -2.7, -2.2, -1.9, -0.8, 0.3, 0.9, 0.9, 1.1The mean:The…

Q: The chart below shows the grade distribution on a quiz in one of my classes. If there are 34…

A: Solution: The objective is to find the number of students who scored A grade

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: Find the mean, median, and mode of the data. Heights of Students in Class +||| ||H|| 十王 60 62 64 66…

A: From the given dot plot, the data values are 60, 64, 65, 65, 66, 67, 67, 67, 69, 69, 70, 72, 72, 74,…

Q: Here are several z-scores.  Which person was closest to average? Ahab: Z = +1.2 Brianna: Z = -0.8…

A: Given z scores: Ahab: Z = +1.2 Brianna: Z = -0.8 Cecilia: Z = -1.4 Darnell: Z = +0.7 Evelyn: Z =…

Q: Two individuals a spatial abilities test (mean = 80, std. dev. = 8). One scores a 76 and the scores…

A: From the given information,

Q: Which of these would be considered a transformed score? a. percentile ranks and t scores b. z scores…

A: Transformed scores are those scores that have been converted from raw scores to meaningful score…

Q: In a distribution of scores, the mean is 12, the median is 8 and the mode is 4. Describe the shape…

A: A distribution is said to be positively skewed / right skewed if Mode > Median > Mean  and…

Q: Here is the second data set. 49 84 44 89 74 26 80 39 92 49 d. What is the mean (T) of this data set?…

A: We know that  Mean=sum of observation/numbar of observation  Median=middle value of the data set.…

Q: a. n=2 ∑ni=1xi=20. The mean is b. n=4 ∑ni=1xi=80 The mean is

A: It is given that,Part a) Part b) To find the mean value in both cases.

Q: A sample of scores has a mean of ? = 35 and ? = 6. Find the z-scores that correspond to the…

A: We have given that,  Let Y be the random variable from normal distribution with mean (μ) = 35 and…

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given that mean = 32 hours Median = 28.2 hours 7th percentile = 17 hours

Q: The histogram below gives the length of service of members of the Department of Biology at a…

A: Given data :  No of years  faculty  0 - 5 5 5 - 10 11 10 - 15 10 15 - 20 2 20 - 25 11…

Q: Mary scored a 25 when the mean is 23 with a SD of 1.5 Sarah scored a 7 when the mean is 6 with a SD…

A: Given Information: Mary's score is 25 Mean μ=23 Standard deviation σ=1.5   Sarah's score is 7 Mean…

Q: Suppose that in a small town of 50 people, one person earns $5,000,000 per year and the other 49…

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Q: The value, in thousands of dollars, for houses on a block, are: 45; 47; 47.5; 51; 53.5; 125 1. The…

A: Given data45 , 47 , 47.5 , 51 , 53.5 , 125

Q: A data set is described as consisting of n = 15 scores. Based on the notation being used, the data…

A: We have the following statement .

Q: A professor grades students on four tests, a term paper, and a final examination. Each test counts…

A:

Q: A sports statistician recorded the speed of every serve made by a certain tennis player at the U.S.…

A: It is given that the mean serve speed in the tournament is 98 miles.The distribution of the serve…

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: number of hours per week that the television is turned on is determined for each family in a sample.…

A: Given that  Mean = 30 Median = 26.2

Q: Which term describes a response that varies greatly from the majority of the other responses in…

A: An outlier is a value in a random sampling from a population that deviates abnormally from other…

Q: Raymond wants to estimate the percentage of parents that use cloth diapers. He asks a randomly…

A: According to the provided information, The data set will represent the collection of response…

Q: Please calculate the SD of a sample of 8 data points using the formula taught in class. The…

A: We hava given that, ΣX2 = 5012.2,   n = 8, x̄ = 24.0 Then,  We will find the standard deviation (SD)…

Q: C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals should have…

A: Given information: GSS 2014 and GSS 2018 respondents were asked their opinion on whether…

Q: Suppose the mean of X is 6. What is the mean of Y if a = 0.66 and Y=aX?

A: From the provided information, Mean of X is 6 that is E (X) = 6 a = 0.66

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: Given: X¯1=77n1=259X¯2=90n2=344X¯3=66n3=171

Q: In a recent study on world happiness, participants were asked to evaluate their current lives on a…

A: Let "X" be the participants who responded in a study on world happiness.