Find 54th percentile, P54, from the following data110120140180200220260270300310320340370410440490520530560590630640650690700720760770780800810820850900910930     P54 =

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

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Q: Find the Mean number of the percents 4.38+4.62+4.88+5.02+5.33+6.30

A: Mean is the measure of central tendency. mean of the observations is sum of observations divided by…

Q: In 2016 the Better Business Bureau settled 80% of complaints they received in the United States.…

A: The objective of this question is to calculate the expected value and standard deviation of the…

Q: Find the 1rst quartile and 3rd quartile of the following numbers  41,43,46,47,48,50,51,52,53,54,55

A: The given numbers already in the increasing order: 41,43,46,47,48,50,51,52,53,54,55 Median = middle…

Q: n the brackets, how did you know to use the 21 and 20 percentiles?

A: The number of observations, The data set…

Q: Using the manual method, calculate the 59th Percentile for the following numbers: 3, 2, 96, 79, 49,…

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Q: A random sample of 2000 driver's license applications found that 17% reported their eye color as…

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Q: Find the weighted mean of the number of sheets on a roll of toilet paper: 7 brands have 22 sheets on…

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Q: When the Standard Score = -1, what is the percentile of the raw score? %3D O 2nd 14th O 16th 34th…

A: It is an important part of statistics. It is widely used.

Q: Many athletes (and their parents) worry about the risk of concussions when playing sports. A…

A: First let us sort the head circumferences (in inches) for the players on the team; No. Head…

Q: What z value is associated with the fewest 59%? Select one: a. -0.23 b. 0.22 c. 2.22 d. 0.27 e.…

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Q: so is 80% z-score 1.

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

Q: 95 percent divided .025 what is the z score?

A: The z-score is obtained as given below: PZ≤z=0.025z=ϕ-10.025=-1.96  Using Standard normal table

Q: The percentile 87 (Pg7) such that Pg7=78, means that: Select one: a. 13% of values are greater than…

A: A discrete variable is a variable whose value can be obtained by counting. A discrete variable is a…

Q: Find the z-score that separates the largest 5% of scores from the rest.  Round your result to 3…

A: Obtain the z-score that separates the largest 5% of scores from the rest. The z-score that separates…

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A: Givenmean(μ)=1252standard deviation(σ)=129

Q: 1980 alcohol consumption per capita in the United States? (Round to the nearest percent.)

A: Given: The data given is as follows Australia 9.7 Austria 11.1 Belgium 11.5 Canada 7.6…

Q: Give the scores: 88, 64, 77, 94, 67, 59, 99, 87, 94, 71,75 Find the score at the 72nd percentile or…

A: Given data is88,64,77,94,67,59,99,87,94,71,75sample size(n)=11

Q: Q2: Calculate the coefficient of variation percentage of the following samples reading:…

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Q: What are the steps for Finding Proportions for One Score?

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Q: what is the annual income of a household in the 90th percentile of annual household income in…

A: In normal distribution mean, median and mode are equal Mean=Median=Mode=75847, Standard…

Q: Calculate the student's weighted grade point average if they received the following grades in their…

A: Given that,No. of different courses = 5To find the weighted grade point average of the…

Q: In a survey of 400 items in a production line, it was discovered that 10% are defective. What is the…

A: Given the survey of 400 items in a production line.The percentage of defectives is 10%,Let n = 400…

Q: What is the percentile rank of a bag that contains 1025 chocolate​ chips?

A: The mean is 1252 and the standard deviation is 129.

Q: What would s2 = 0 tell you about your sample? What would s2 = -25.397890175675 tell you?

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Q: We are asked to find the values that separate the middle 60% of the population from the top and…

A: In a normal distribution, the z-score is a measure of how many standard deviations an element is…

Q: competed in an ironman race, J

A: Here it is given that - 3500 people competed in an ironman race, John finished 805th,

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: Find 0.2% of 810

A: Given query is to find the 0.2% of 810.

Q: The 20th percentile is how many inches?

A: The mean is 64 inches and the standard deviation is 2.5 inches.

Q: You have a sample of 10 (sorted) scores: -15.5 -13.4 -12.7 -12.2 -12 -10 -9.1 -8.9 -7.9 -7.1…

A: From the provided information,Number of observations (n) = 10

Q: Q10. The length of parts produced by which lathe machine satisfies the normality assumption based on…

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

Q: Using the manual method, calculate the 82nd Percentile for the following numbers: 14, 3, 76, 34, 55,…

A: Given that  data : 14, 3, 76, 34, 55, 56, 28, 96, 99, 0 write data in increasing order 0 , 3 , 14 ,…

Q: in the highest 2.5 percent eat?  What is the z-score

A: Given that 2.5% of the highest area present in the data. That is, P(Z>z)=2.5%=0.025…

Q: Calculate the 60th percentlle of the data shown 2.7 7.3 9.6 10.1 12.1 21

A: Given that, The number of observations is given. Percentile is given by,

Q: Where did the 25% come from?

A: Since we know that 25% difference between each quartile

Q: find out 73 rd percentile  45,69,35,69,87,314,45,12,20,14,11.3

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Q: Three runs of an assay generate 72.49%, 72.99% and 72.40%. The average result needs to be accurate…

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