Q3: For the data below taken on 150 m section of a road, draw the cumulative frequency distribution curve and determine the following: arithmetic mean speed, standard deviation of the speed, % vehicles in pace. Travel time (seconds) 10 5 7 6 9 12 14 Number of vehieles observed 4 10 6 3 2 4

Q: Q1/ The table below show the spot speed data studies for a highway section. Determine the arithmetic…

A: Corrected CI f x fx fx2 42.45-47.45 42 44.95 1887.9 84861.11 47.45-52.45 123 49.95 6143.85…

Q: Which of the following quantities is most resistant to outliers? Answer choices: a.) the standard…

A: Given data: Which of the following quantities is most resistant to outliers? Answer choices:  a.)…

Q: The following data are the distances from the workplace (in  miles) for the 5 employees of a small…

A: The distances from the workplace (in miles) for the 5 employees of a small business are given as:…

Q: For 5 year old children, the mean weight is 51.01 pounds with a standard deviation of 3.98 pounds.…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)σ. Here, µ and σ are the mean…

Q: An environmental biologist recorded the 20 24 22 20 numbers of snail eggs in the first clutch…

A: If we look at both the graphs provided (at 220 C and 250 C ) , the curves are skewed but the data is…

Q: A Student Gender Hours online/week Friends 1 male 2 female 50 L30 3 female 4 female 70 2.

A: Given: The data given is as below Hours online/week Friends 4 90 2 50 2 30 5 70 5 70…

Q: The table below gives the number of accidents each year at a particular road junction: 2013 2014…

A: It is given that:

Q: . a. Bidwell Electronics, Inc. recently surveyed a sample of employees to determine how far they…

A: Given : Distance(miles) Frequency 0-5 4 05-10 15 10-15 27 15-20 18 20-25 6

Q: Q1/ The following data represents the SiO2 grade in %; construct frequency table and calculate mean,…

A:

Q: The table shows the​ 100-meter backstroke and the​ 100-meter butterfly gold medal times​ (in…

A: Given table shows the​ 100-meter backstroke and the​ 100-meter butterfly gold medal times​ (in…

Q: d. Find the 77th percentile for the mean score for this sample size. e. P(21.9204 < ữ < 22.6932) =…

A: d. The 77th percentile for the mean score for this sample size is,…

Q: Use the data to answer the following questions: 10; 11; 15; 15; 17; 22 What number is two standard…

A:

Q: The height, in inches, of each student in Megan's algebra class is shown. 72 72 71 70 70 70 69 67 66…

A:

Q: The highway mileage (mpg) for a sample of 9 different models of a car company can be found below.…

A: The mid-range is obtained below: The given data set is 36, 26, 20, 24, 49, 23, 29, 47 and 49. From…

Q: Q6) From the Uniform Distribution, find the mean and standard deviation from the graph: f (x) 20 20

A: Given : From given graph : Let X be r.v follows uniform dist.  X~U[0,20] a=0 , b=20

Q: this assignment, round all answers (when necessary) to exactly three decimal places. The numbers of…

A: From the given data we find the standard deviation.

Q: Q2. Find a)Mean, b) Coefficient of variation for the following data set considering the…

A: The objective is to find the mean and the coefficient of variation for the following dataset.…

Q: Listed in the data table are IQ scores for a random sample of subjects with medium lead levels in…

A: from the given data :  For medium lead level x̄1 = 90.727273 n1 = 11 s1 =…

Q: The monthly incomes of 16 students were analyzed and their average was 1000 TL and the standard…

A: Given data,μ=1000σ=200n=16z=2.7x=?

Q: What is the average score for those who are willing to rise to the challenege with the standard…

A: Here X takes values 1, 2, 3, 4, 5 with following frequencies The average score is calculated using…

Q: On a standardized test with a normal distribution, the me was 64.3 and the standard deviation was…

A: We have given that  The scores follow the normal distribution with mean 64.3 and standard deviation…

Q: The heights in feet of people who work in an office are as follows. Use the range rule of thumb to…

A: According to range rule of thumb Standard deviation (s)= Range/4

Q: Q3) Following are the observation showing output in tons per week of 8 manufacturing industries.…

A: In the given information the observation showing outputs in tone per week of 8 manufacturing…

Q: Q9 For the distribution table below, calculate the second quartile * Class Frequency 50-69 3 70-89 7…

A:

Q: Below is the frequency distribution of The number of orders received each day during the past 25…

A: Solution

Q: Construct a 6 cells histogram showing the distribution of this data b. Determine the Mean, Mode,…

A: a. Construct a 6 cells histogram showing the distribution of this data

Q: Below are some summary statistics from the score variable. Which of the following is true? min Q1…

A: a) Standard deviation is possible and has been calculated above as scores are integers and can be…

Q: Find the indicated probability. The incomes of trainees at tthe local mill are normally distributed…

A:

Q: Jay is a photographer who estimates that their time shooting for a cooking magazine is uniformly…

A: From the given information, Jay is a photographer who estimates that their time shooting for a…

Q: Q1: A group consisting of 40 boys and 60 girls. The mean weight and standard deviation of the boys…

A:

Q: The Following are the scores of 20 students who took a calculus exam. Find the mean and standard…

A:

Q: In a class of twenty-five 15-year old girls the average height is M = 62.60 inches. The national…

A: It is given that M=62.6, μ=63.8 and σ=2.66. The z-statistic is calculated asz=M-μσ/nwhere M is the…

Q: Assuming that the heights of college women are normally distributed with mean 64 Inches and standard…

A: As per the guidelines we are allowed to solve maximum of 3 subparts, Please repost the question if…

Q: The marks of six students in a science test are represented by the variable x. The following data…

A:

Q: Q - 3 From the following distribution, determine the quartile deviation. Height ( inches) No. of…

A: Given that, Height (inches) 30 35 40 45 50 No. Of students 5 15 20 12 8 We need to find the…

Q: Q5 Calculate Quartile Deviation and its Coefficient from the following data

A: Here given frequency distribution of weight  Here use quartile deviation and it's coefficient…

Q: The price-earnings (PE) ratios of a sample of stocks have a mean value of 12.75 and a standard…

A:

Q: Q3/ The following data represent the lifetimes of light bulbs (in months), frequency distribution…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: a) For the following calculate mean deviation using median. Height No. of Boys 55 56 57 58 59 60 25…

A: Given Height No of boys 55 25 56 40 57 50 58 20 59 10 60 5

Q: The time that a customer takes to complete a transaction in the business line at the bank follows a…

A: Given Data Population Mean,μ = 5.4 Population Standard Deviation,σ = 1.7

Q: On this assignment, round all answers (when necessary) to exactly three decimal places. The numbers…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: The mean height of 790 students in a school is 151 cm and the standard deviation is 15 cm. Assume…

A: Given dataμ=151σ=1n=790P(119.5&lt;X&lt;155.5)=

Q: The Weschler Intelligence Scale for Children (WISC) is an intelligence test designed for children…

A: There are total 40 students enrolled in the programs so, n = 40 Then find the sample mean:

Q: Q2. Find the mean deviation, standard deviation and variance for the following frequency…

A:

Q: Find the mean deviation about median for the followin distribution : x: 5 f: 9 11 13 15 17 2 4 6 8…

A:

Q: A representative sample of trees in a forest shows the trees to have a mean circumference of 19.7…

A:

Q: Q2 (d): According to the above raw data, the value of mean deviation * :(MD) is 8.0562 O 8.1513 O…

A: The mean deviation is the average of the absolute deviation of values from the mean for a given…

Q: For the data shown, answer the questions. Round to 2 decimal places. 2.5 17.4 14.5 21.6 14.6 12.3…

A: Step-by-step procedure to obtain the mean, median and the standard deviation using Excel is given…

Q: Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.…

A: From the given data we find the standard deviation using range rule thumb method.

Q: 2. The table below shows the recorded speeds of several cars on a busy street: Recorded Speeds (mph)…

A: