Compute the Quartile Deviation and Standard Deviation from the following data: Scores Frequency Scores Frequency 110-114 70-74 4 105-109 3 65-69 3 100-104 2 60–64 95-99 4 55-59 3 90-94 3 50-54. 85-89 45-49 80-84 6. 40-44 75

Q: Assume that the hourly costs of operating a commercial aircraft are normally distributed with a mean…

A:

Q: The population standard deviation of this data set    0, 10, 10, 10 ,10 , 10, 10, 10, 20 is…

A: Given data is,0, 10, 10, 10, 10, 10, 10 ,10 , 20sample…

Q: The classification of 58 passengers of a bus in their age group is given below. You are required to…

A:

Q: The spread or dispersion of a set of data about the mean will be large if the standard deviation is…

A: Solution

Q: he mean arrival rate of flights at O'Hare Airport in marginal weather is 195 flights per hour with a…

A: 212   198   187   214   185   219   198   193   208   197   206   184   223…

Q: Assume that weights of men are normally distributed with a mean of 160 pounds and a standard…

A: Given, Weights of men follows normal distribution with mean 160 pounds and standard deviation 25…

Q: Find the mean and standard deviation of the following data. Class Interval Frequency1-7 38-14 215-21…

A: Mean is 13.1Standard deviation is 7.4154 Explanation:The given class interval frequency distribution…

Q: Calculate mean deviation from mean and median for the following data : Comba 500 100 150 200 250 360…

A: Given : Sample 100 150 200 250 360 490 500 600 671

Q: Approximate the standard deviation for following GFDT. Data Frequency 60 - 64 15 65 - 69 70 - 74 75…

A: The frequency distribution table is as…

Q: 27 34 36 36 42 48 54 60 86 ange: (Please ent

A: We see that, the data set is arranged in ascending order. Range is the difference between maximum…

Q: The population full-time equivalent number of students (FTES) at Lake Tahoe Community College for…

A:

Q: The mean deviation of the data(1 * :2,9,9,3,6,9,4 from the mean is 2.23 3.23 O 2.57 O 3.57 O

A:

Q: Assume that the mathematics scores of 10000 students on the SAT are normally distributed with a mean…

A: Provided information is ; For example 1] : Population mean(μ) = 500 Population size (N) = 10,000…

Q: Calculate Standard deviation of the following data : No. of Employees : 10-19 20-29 30-39 40-49…

A: Given: No. of employees No of firms 10-19 6 20-29 11 30-39 14 40-49 6 50-59 3

Q: Find the standard deviation for the grouped data.

A: Solution; Interval Frequency (f) midpoint(x) fx (x-x)2 f*(x-x)2 50-59 7 54.5 381.5 351.5625…

Q: For this grouped data set: Scores      |      Frequencies 30-34        |      7 25-29        |…

A:

Q: range = (Please enter an exact answer.) standard deviation (s) = (Round to one decimal place.) IQR =…

A: here AS PER GUDELINES I HAVE CALCULATED 3 SUBOPARTS KINDLY REPOST FRO REMAINING WITH NOTE I NEED…

Q: The table below gives the weight measurements of 200 castings: Weight in Kg. No. of Castings Weight…

A:

Q: Calculate the mean and standard deviation from the following data: 60-69 Value: 90-99 80-89 70-79…

A: Class Frequency (f) Mid value (x) f⋅x f⋅x2 30-39 1 34.5 34.5 1190.25 40-49 4 44.5 178…

Q: The incomes of math tutors in a tutoring center of a university are normally distributed with a mean…

A: Given,mean(μ)=$1100standard deviation(σ)=$150

Q: 2) Find the standard deviation of the grouped data Ages 51 - 60 41 - 50 3 10 15 31 - 40 21 - 30 11…

A: In grouped data, the observations are accumulated into groups or classes. These classes and the…

Q: Approximate the standard deviation for following GFDT. Data 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84…

A: The frequency distribution table is as…

Q: Calculate the mean, median mode and standard deviation for the following data: 4600- 4800 75 (b)…

A:

Q: Which of the following data would be most appropriate to report standard deviation ? scores of an…

A: Standard deviation- Standard deviation is a measure of dispersion. It is a quantity that expresses…

Q: Rank the data sets described in order of the least spread out (1) to the most spread out (5) based…

A:

Q: 3565 6781 5656 10024 11366 9101 9286 6657 7290 15558 10376 20795 4027 19100 16223 14502 2830 5785…

A: Using Excel, X (X-9777.6)^2 3565 38596398.76 10024 60712.96 7290 6188153.76 4027…

Q: Calculate the mean deviation from the mean for the following data : Size : 2 4 6 8 10 12 14 16…

A:

Q: Use the following list of resting pulse rates of 55 people. The mean of these rates is 70.5, and the…

A: Given information: μ=70.5, σ=8.9, n=55