What score corresponds to the 10th ​percentile?

Q: Find the percentage of data points that lie between -2.31 and 1.85.

A: Assuming the data follows standard normal distribution with mean 0 and standard Deviation 1Finding…

Q: A statistics professor made the following histogram for the scores on her class’s first exam.   If…

A: From the Histogram, the scores and the corresponding frequencies are, Given that the passing score…

Q: Directions: Some HEDU students went on a picnic. On the way back to school, some students didn't…

A: Given :There were 200 students that attended.To Find :Identify the likely source of the salmonella…

Q: elaine gets quiz grades of 77,85, and 66. she gets a 61 on her final exam. find the weighted mean if…

A: It is given that the quiz grades are 77, 85, and  66. The final grade is 61.

Q: Using excel, make a histogram of the scores and paste it below. Your intervals should be set to…

A: Given data is, 29 , 21, 19, 29,  20 , 28, 28, 29, 32,  29, 15

Q: A poll showed that 56.1% of Americans say they believe that some psychics can help solve murder…

A: P(not A) = 1 - P(A)  When we are talking about % in probability  Than take 100% as total  So ,…

Q: Percentile: Practice Find the 5th , 50th and 100th percentile of the data 15, 20, 35, 40, 50 What is…

A: We have given that,  The data set is,  15 ,20, 35, 40, 50 Then,  We will find the 5th, 50th, 100th…

Q: Helga scored in the 70th percentile rank on an exam. If 300 students took the exam, how many…

A: Given: percentile rank of Helga: 70th           total number of students who took exam: 300 students…

Q: so is 80% z-score 1.

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

Q: Refer to the following stem-and- leaf diagram. It represents the marks out of 75 of 21 learners in a…

A:

Q: The monthly rents for five apartments advertised in a newspaper were $650, $650, $760, $1550, and…

A: mean  Median

Q: Find the attached file.

A: Given: 1125 2978 1172 1507 4776 3801 2015 2463 4388 135 3967 1674 1437…

Q: Let say we want to compare risks of two company.  Yo want to see risks are the same or not.   The…

A: Sample size=26 for both companies (samples) Hence degrees of freedom=26+26-2=50

Q: You take a medical test and the doctor tells you that your wellness z-score is 1.86. What percent of…

A: Let X be a random variable from standard normal distribution with mean = 0 and standard deviation =…

Q: The stem-and-leat display repr members of the class. Identify the mean, median and mode for the data…

A: According to the given information, we have The stem and leaf is given. Data 47 50 55 57 63 64 64 66…

Q: he percentage of bags weighing between 8.9 and 9.46 ounces is The percentage of bags weighing…

A: According to our guidelines we will solve only first three sub-parts of a question and rest will be…

Q: 312 out of the 800 people at a real estate conference were women. What percentage of the people at…

A:

Q: he 19 The mean of the data set is 18. What number is missing? 21, 11, 27, 22, 13, 16 answer yellow.

A: Step 1: Given informationThe mean of the data set is 18.Data set: 21, 11, _, 27, 22, 13, 16 Step 2:…

Q: Yesterday Al recorded 5 data values, and the mean of those values was 90. Today he realized the data…

A: Given dataMean of 5 data values = 90Data value 80 was actually 50Mean is given by

Q: You take a test with 32 questions on it. You answer 24 questions correctly. What percent of the…

A: Given total questions were 32.Given 24 questions answer correctly.

Q: Find the percentile for the data value. Data set: 3, 11, 7, 22, 3, 23, 13; data value: 7

A: Data set is 3, 11, 7, 22, 3, 23, 13

Q: A student scores in the 70th percentile on an exam. What does that mean? Choose the best answer.…

A: We know that the Percentile is used as a ranking of various students who take an exam. It means that…

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: Winston has just gone grocery shopping. The mean cost for each item in his bag was $2.84. He bought…

A:

Q: Use the information provided here to answer the following questions. H0 : p 60, n 36, Xbar = 58.…

A: option (a) which is the information provided characterizes one smaple, one sided test is correct…

Q: Determine whether the study is an observational study or an experiment. Explain. In a survey of 1321…

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Q: The test score at the 25th percentile is 108. What is the test score at the 75th percentile?

A: Solution

Q: 55% of high

A: Probability of participating = 0.55 Probability of playing in NCAA given participating = 0.05

Q: Compare the two grading systems below.  Round to the nearest hundredth. Grading System A Grading…

A: Given : Convert percentage data in decimal we get :

Q: In Music, Linda scored 70%, and her score was at the 85th percentile.  In Art, Linda scored 95%,…

A: It is given that the stated person's scores (in percentage) in Music and Art are 70% and 95%…

Q: A survey asked office workers what they like t- do when taking a break from work. Preferred break…

A:

Q: How do ypu find the preducted score is the price is $60

A: Let the independent variable (x) = price ($) Let the dependent variable (y) = overall score The…

Q: 3. The lowest bar in a histogram represents? (A) The class with the highest cumulative frequency.…

A: The histogram is a plot which is used to depict the distribution of data . By observing the…

Q: What does course median mean on a report card. My mark for the class I am taking is 80% and the…

A: Descriptive statistics

Q: Relatives gave Timothy $15,$50,$25 and $18 for his birthday.What is the mean amount of money…

A:

Q: Elght students were asked how many books they read last summer. Their answers are listed below. 8,…

A:

Q: The value 100 is in the 25th percentile. How many percent of the values is more than 100? a. 25%…

A: The median is middle value of the observations, above or below which 50% of the observations lie.…