Complete the table and calculate: a) What score is the 30th percentile?       b) What is the percent rank of 8?       c) What score is the 65th percentile? (use interpolation

Q: Jessica wants to determine which letter appears the most often in her favorit Which measure should…

A: Note: Please repost 2nd question as i can answer only 1 question as per my policy.

Q: What percent of the department faculty have less than 25 years of service? Answer:  % (b) If a…

A: From the given histogram we need to answer certain questions.

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A: Here we have to explain the given statement

Q: Subject 1st 2nd #1 10 11 #2 4 6 #3 7 9 #4 6 5   a. Calculate the mean difference. b. Calculate SS…

A:

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

A:

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

A: The number of observations, The data set…

Q: Given: Test scores are 59 95 82 78 66 82 65 78 66 66 79 82 66 82. Find the PERCENTILE for the test…

A: We have to percentile for 79 ..

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

A: Given:

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

Q: You have a sample of 10 (sorted) scores:   -15.5 -13.4 -12.7 -12.2 -11.1 -10.8 -9.1 -8.9 -7.9 -7.1…

A: -15.5-13.4-12.7-12.2-11.1-10.8-9.1-8.9-7.9-7.1Sample of size(n)=10

Q: Select the best response. Paired sample t-test focuses on data in the: A. first score in the pair…

A: In paired t test, means of two related groups are compared.

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: 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: To which level of measurement does the “GMAT” score belong? nominal, ordinal, interval, or ratio?

A: The objective of the question is to identify the level of measurement for GMAT scores. The levels of…

Q: Using the scores, 69, 72, 73, 76, 77, 78, 81, 96, 98, 99 Show work and explain:   What percentile…

A:

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: 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: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: It is given that the sum of frequencies is 50. Then, the blank in the column of frequency is…

Q: q11- Median is which percentile of the data? Select one: a. 25th. b. 50th. c. 75th. d. 80t

A: b. 50th

Q: A student scored 75% in a quiz worth 75 points, 85% in a quiz worth 50 points, and 80% in a quiz…

A:

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: 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: Ten students take a 10-point test. The mean score is 8. Could the median be 10? Could the median be…

A: Solution-: Ten students take a 10-point test. The mean score is 8. Could the median be 10? Could the…

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 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…

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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: recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $640. If…

A: Given that  Median=640 First Quartile=496

Q: Using the following table, what is the percent of the relative frequency of a Blue car being…

A: Given frequency distribution table is,Car colorFrequency Relative Frequency Black…

Q: The Bangor Humane Society tracks cat adoptions closely. They sample 54 people who looked at cats…

A: Sample proportion = x/n Here x = 36 and n = 54