* The table shows a frequency distribution of Mathematic session marks for 120 students in the second stage at engineering faculty. Find the Quartiles of the distribution, then 30 students have marks equal to 65 or lower? Choose either True or : False Mark 30-39 40-49 50-59 60-69 70-79 80-89 90-100 Number of Students 1 3 11 21 43 32 9 False O True O

Q: 1. Construct a Frequency Distribution Table of the scores of 30-students in Math 7 section Joaquin.…

A: Given, The scores of 30 students in math 7 section Joaquin. The given data is as follows: Scores…

Q: Q2. From the following data below. 17 19 21 18 20 18 19 20 20 21 1. What is the mean? (а) 19.9 (b)…

A: Given data: 17, 19, 21, 18, 20, 18, 19, 20, 20, 21 (1) Mean is the sum of observations divided by…

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A: In a survey, Height of women follows the normal distribution with mean 63.9 in and standard…

Q: The following shows the results of a survey asking women how many pairs of shoes they own : 2, 4,…

A:

Q: A math teacher asked 18 of her students to rate how much they like math on a 1 - 7 Likert-scale (1 =…

A: The question is about graphical representation of the data.Given :To find : Create a histogram using…

Q: Which z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25

A: We will find z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25 ?

Q: For quantitative data, the mean is the best measure of center when the distribution is skewed.…

A: The statement is provided that mean is the best measure of center when the distribution is skewed.…

Q: (d) The mean sample x, x, 7, 9, 11, 12, 3x, 18 is 10.25 with x constant. Find the value of x.

A:

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35…

A:

Q: The 20 scores below were recored from a math test: 75, 64, 82, 68, 75, 73, 68, 78, 80, 97, 85, 68,…

A: Step-by-step procedure to obtain frequency distribution table using Excel: Select the data and go…

Q: The Genin Test scores obtained out of 25 by 30 Ninjas of a Mr. Caguioa's class in the examination…

A: Arrange the given datd in ascending order1, 1, 3, 3, 4, 5, 5, 6, 6, 6, 7, 9, 9, 9, 10, 10, 10, 11,…

Q: the following are distances in miles traveled to a work place by 19 employees of a certain hospital.…

A: These are the sample data that have been provided: Observation: DistanceDistance  1 16 2 18…

Q: The mean score for one of the classes was found to be 76.5. Which class do you think is more likely…

A: If the distribution is symmetric then mean=median=mode.

Q: S Suppose the midterm grades for 10 students are the following: 70, 65, 75, 80, 63, 90, 71, 75, 93,…

A: You have posted multiple questions,  according to the guideline I am allowed to solve the first…

Q: {50, 60, 43, 63, 54, 65, 59, 60, 51, 62, 48, 61, 52} Find the mean, first quartile, second quartile,…

A: Given data: 50,60,43,63,54,65,59,60,51,62,48,61,52 n = 13

Q: Among fatal plane crashes that occurred during the past 60 years, 395 were due to pilot error, b2…

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Q: Reponse time for seven emergency phone calls in a large metropolitan area were measured to the…

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Q: Find mean and mode for the following data. You will make grouped frequencydistribution. In place of…

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Q: - Example70. Calculate mean deviation from mean and its coefficient from the data 20, 22, 27, 30,…

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Q: Twelve professional gamers were asked their age (in years) when they first began playing their game…

A: Formula for sample mean is as follows,   x¯ = Sum of all observations Total number of observations

Q: The data represent the number of days off per year for a sample of individuals selected from ten…

A: Solution

Q: what is the mean,mode,range,median of thw following  14, 18, 5, 7, 12, 9, 10, 15, 11, 9

A: The objective of this question is to calculate the mean, mode, range, and median of the given set of…

Q: The data represent the number of days off per year for a sample of individuals selected from ten…

A:

Q: C. The test statistic |(please show your answer to 3 decimal places.) d. The p-value = (Please show…

A: Given n=12 Let X : Waiting time for men who wear a tie x 14 16 14 17 15 15 13 13…

Q: The following are distances (in miles) traveled to the workplace by 19 employees of a certain…

A: We have given that the distances traveled to the workplace by 19 employees of a certain hospital.

Q: Here are yesterday's high temperatures (in Fahrenheit) in 12 U.S. cities. 53, 55, 58, 61, 62, 71,…

A: Given,sample size(n)=12Arrange the given data in ascending order53, 55, 58, 61, 62, 71, 71, 73, 75,…

Q: 7. The following frequency table shows the test score distribution for a random sample of 100…

A: As per given information: Class f Mid value (x) (f)(x) CF 0-2 3 1 9 3 2-4 7 3 21 10 4-6 15…

Q: IQ scores are measured with a test designed so that the mean is 114 and the standard deviation is…

A: Given information Mean µ = 114 Standard deviation σ = 14 The z scores that are unusual are Z < -2…

Q: . The averages of the Top 10 students in your class are as follows:   88, 89, 90, 91, 91, 92, 93,…

A: The averages of the Top 10 students in your class are as follows:   88, 89, 90, 91, 91, 92, 93, 94,…

Q: National park services, a bureau of the US government responsible for park management, is interested…

A: For current year: The mean can be obtained as: Thus, the mean is 74.56. Arranging the data set into…

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A: It is given that the Sam has 20 rose bushes.     Note: According to Bartleby expert guidelines, we…

Q: Q2) A researcher wants to know if the mean times (in minutes) that people watch their favourite news…

A: Given the data as TV Channel 1 TV Channel 2 TV Channel 3 45 15 72 12 43 37 18 68 56 38 50…

Q: 22. Ages from a random sample of 18 athletes in the 2012 London Olympics is provided below. Ages are…

A: Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: How do I find a sample with data values of 27, 25, 20, 15, 30, 33, 28, and 25. Compute the 20th,…

A:

Q: What is the mean of the data set? 8, 11, 3, 10, 14, 4, 17, 9, 20, 15, 23, 28, 26, 3, 29, 2

A:

Q: The question is, for the following scores find the mean, median, sum of squared deviations,…

A: The mean of the data is calculated as follows:

Q: A researcher is testing which animal performs better on the anxiety task that involves a stranger…

A: Standard error of mean, SEM=sn And Standard deviation, s=∑xi-x2n-1 where Mean, x=∑xin

Q: ne difference in the mean and median indicate ne difference in the mean and median indicate

A: Given: Median = 8000 Mean = 69000