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 Calculate the 50th percentile

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

A:

Q: According to a gallup survey of boys 77% of boys had played computer games in the past week compared…

A: Let p1 be the percentage of boys had played computer games  p2 be the percentage of girls had played…

Q: →>> What's a standard score?

A: Introduction  from the above question we have to explain what is a standard score

Q: The town of Butler, Nebraska, decided to give a teacher-competency exam and defined the passing…

A: Here we have to explain the given statement

Q: For any distribution what is the score that separates the highest 10% from the rest called?

A:

Q: Find the estimated standard error for the sample mean for n = 12 and SS = 3843. Nearest hundredths…

A: Given : n = 12  ss = 3843

Q: Given the following data, the middle 20% is between the scores ___ and ___. The value of Q1 is ___.…

A: 66, 69, 70, 73, 73, 76, 77, 78, 79, 82, 86, 87

Q: How do you tell percentiles in a table

A: Percentile is a score that tells the value below which a given percentage of values falls in a table…

Q: Determine the sample proportion. It has been determined with 95% confidence that the proportion of…

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Q: You sample 200 men, and 70% own cats.You sample 160 women, and 15% own cats.Find the test statistic,…

A: Obtain the value of the test statistic. The value of the test statistic is obtained below: From the…

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

A:

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

A: Given:

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: On a hockey team, there are 14 players. The captain of the team scored on the team, and less than…

A: Given : There are 14 players Captain of the team scored 35 goals last year, which is more than 10…

Q: Felix has just received his monthly credit card statement. He placed 8 charges on his card in the…

A: Given: 7 Charges 23.63, 20.59, 21.21, 26.85, 24.84, 15.36, 23.60

Q: Describe the process you would use to estimate Propensity Scores

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Q: The owner of a local bar specializing in alternative music wanted to determine the average age of…

A: t 95% confidence level, the z value is 1.96 which can be obtained by using the standard normal…

Q: If a person’s z score equals -2.02, what is their percentile?

A: Given problem Given that   Given Person's z score =  -2.02 Using the Standard Normal Table ( Z Table…

Q: what does being in the 60th percentile mean?

A: Given that 60th percentile   Let a student got 60th percentile in a exam

Q: how does the sample and population relate?

A: Sample and population both are different items, but both are related with each other. Population is…

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 47, 15, 25 Round your…

A: Given data: scores; 45, 34, 65, 47, 15, 25 To find: standard error of the mean

Q: Find the estimated standard error for the sample mean for n = 16 and SS = 3922. Nearest hundredths…

A: We find the standard error using the formula

Q: Fimd the Z score associated with the 15th percentile.

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Q: In a CBS poll of 1289 adults, nationwide, asking whether they favor or oppose teacher and school…

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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: In a moderately skewed distribution, the value of Median is 42 and value of Mode is 40. Find the…

A: Given, x¯ =meanMo =mode=40Me = median =42

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

A: b. 50th

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

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Q: student scored in the 75th percentile on the SAT. What does that mean?

A:

Q: Harley Davidson motorcycles make up 13% of all the motorcycles registered in the United States.You…

A: Approximate distribution is normal

Q: Use a standard normal table to find the z-score that corresponds to the 5th percentile. Click to…

A: Answer:- Here we need to find the Z-score that corresponding to the 5th percentile.That is, we need…

Q: Answer the questions below. (a) In a survey, a soft drink company asks people to…

A: a) measure gives the most frequently mentioned is the mode b)The data given is: 40, 42, 43, 44, 45,…

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 14, 15, 25 Round your…

A: Given data: 45, 34, 65, 14, 15, 25 n = 6 To calculate: Compute the standard error of the mean

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

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: I had to find the 20th percentile with the following data.    0, 1, 2, 2, 2, 3, 4, 4, 4, 8..... My…

A: We have given the data, 0, 1, 2, 2, 2, 3, 4, 4, 4, 8 And we have to find 20th percentile ?

Q: Which of the three measurements, mean, median, or mode, is the most influenced by an outlier value…

A: Outlier in a data set is the value which is much higher than or lower than almost all other values.…

Q: Nicotine content was measured in a random sample of 22 cigarettes. Is there any outlier in this data…

A: Outliers are the data points which deviate from other data points or does not follow the common…

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: Jane got the following grades (%) on her final year report card: 76, 94, 56, 78, 62, 88, 94, 86 and…

A: Given data is76, 94, 56, 78, 62, 88, 94, 86,72sample size(n)=9