Calculate the percentile/decile for the following marks obtained by 9 students:   Xi    45    32    37    46    39    36    41    48    36   What is D4 ?   What is the P68 ?   What is Q1 ?   What is P55 ? Choose: 48 39 46 32 41 36 45 37

Q: Find the raw score which corresponds to z=1.6?

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

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Q: Students scored the following grades on a statistics test: 80, 80, 82, 84, 85, 86, 88, 90, 91, 92,…

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Q: The table below consists of 18 numbers. Find the percentile of the value 52. (Note: Percentiles are…

A: Given data, 46,36,37,52,28,49,23,58,64,62,31,19,55,63,59,43,38,45   52 represents __ percentile.

Q: For the 20 test scores shown, find the percentile rank for a score of 88. 72 63 92 74 86 50 77 82 98…

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

A: The number of observations, The data set…

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: In the ordered data : 20 , a , 25,30,40 , b , 50 if the mean is 34 , and the first quartile is 24 ,…

A: Given data;  ordered data : 20 , a ,25,30,40 , b ,50  mean  = 34 , first quartile(Q1) = 2 Number of…

Q: 4. Upper 38% 5. Lower 55%

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Q: Find the z-score that cuts off 65% in the body on the left.

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Q: The time it takes for an airline to get the luggage to the airport baggage carousel after a flight…

A: Let X: The time takes for the luggage to reach the airport baggage carousel.X has a uniform…

Q: According to College Board the scores on the AP History exam are normally distributed with N(72,…

A: It is given that the scores on the AP History exam are normally distributed with N(72, 7.5).

Q: We want to know the opinions of the people of a city with a population of 50,000. One person…

A: Hey there.! thank you for posting your question. Hope you're doing well.   Given : The people of a…

Q: Calculate the 54th percentile of the data shown X 2.2 6 8.6 14 16.4 20.5 23.4 26.7 42.6 59.3…

A: Here's the calculation of the 54th percentile for the given data:Data: 2.2, 6, 8.6, 14, 16.4, 20.5,…

Q: Your instructor has the Mid-Term examination grades. He told you that the 25th percentile is 51 and…

A: Given that, Your instructor has the Mid-Term examination grades. He told you that the 25th…

Q: The test scores of 10 randomly selected students are listed below. Find the median. 30 35 43 44 47…

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Q: The following values represent the heights of 12 students (in inches) taking a math class. 72, 63,…

A: In the data set, the number of students hights are given (n) is 13.

Q: 1.8 2.3 6.7 11.3 16.7 25.2 26.9 27.9

A: Percentile is the value in the data below which certain percentage of the data lie.   For computing…

Q: What is p value ?

A: The​ P-value is the probability of observing difference in the sample statistic this high or higher…

Q: A pediatrician wants to determine the relation that may exist between a child's height and head…

A: Formula : Se =√(SSE/(n-1))

Q: What percentage of candidates will likely score below ftable is given as State of Nature Decision S1…

A: *answer:

Q: Sleep apnea is a disorder in which you have one or more pauses in breathing or shallow breaths while…

A: Answer Given Favorable cases [x] =210Sample size [n] =420

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: There were 34 females that weighed over 250 pounds. What percent of females aged 20 to 29 weighed…

A: Given data,  N~(161.61,48.95)  i.e., μ=161.61σ=48.95   If n=34 P(X>250)=?

Q: The scores of the top ten finishers in a recent Buick Open are listed below. Find the median score.…

A: We have given that,  The data set are : 65, 66, 67, 66, 67, 70, 67, 70, 71, 68 Then,  We will find…

Q: The medical records of infants delivered at Kaiser Memorial Hospital show tl distribution of infant…

A: Given information: Mean=20 Standard deviation=2.6 The proportion of infants among those delivered at…

Q: ored 80,91,79,86, and 84 on his previous five tests. What score does he need on his next test so…

A: Given: Ored 80,91,79,86, and 84 on his previous five tests. What score does he need on his next test…

Q: Calculate the 30th percentile of the data shown x 2 4.7 4.8 8.6 12.3 16.8 19.2 20.7 21.3

A: Given information- We have given a data set- X - 2, 4.7, 4.8, 8.6, 12.3, 16.8, 19.2, 20.7, 21.7 We…

Q: Mrs. Paz gave a 20 point quiz to her Geometry class (10 students). The scores were:18, 15, 12, 6, 8,…

A: Given that  The data are 18,15,12,6,8,2,3,5,20,10

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

A: The  score is the standardized score obtained by using population data or large samples .The  score…