Calculate the frequencies of the normal distribution which was the same mean, standard deviation and total frequency as the distribution given below or the intervals 60-65-70, etc. : : 60- 65 - 70-> 75- 80- 85- 90- 95 - f: 21 150 335 326 135 26 4

Q: For this set of data, the standard deviation (s) is equal to: 9, 8, 10, 5, 5, 2, 3, 6, 3

A: Mean:The formula for finding mean is shown below:

Q: for this set of data, the standard deviation is equal to: 9,8,10,5,5,2,3,6,3

A: Mean:The formula for finding mean is shown below:

Q: A normally distributed data set has a mean of 0 and a standard deviation of 2. What is the percent…

A:

Q: Assume that among the members of a men's gym, the distribution of body weights has a mean of 188…

A:

Q: Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard…

A: Solution: Let X be the adults IQ score has normally distributed with mean μ=100 and standard…

Q: Assume that the number of pieces per bag has a mean of 264 with a standard deviation of 3. use the…

A: Given :  the number of pieces per bag has a mean of , μ=264  a standard deviation of , σ =3   We…

Q: A distribution consists of three requencies 250, 300, 350 having neans 30, 15 and 20 and standard…

A: We have given that  Size N1=250 , N2=300, N3=350 Sample mean xbar1 =30 , x2=15 , x3=20 Standard…

Q: Find the mean and standard deviation for the following:…

A: a)Mean: The Mean is 1.41

Q: A normally distributed data set has a mean of 0 and a standard deviation of 2. What is the percent…

A: Introduction: The fashionable regular distribution, additionally called the z-distribution, is a…

Q: Find the mena deviation about the (a) median (b) mean in respect of the following numbers :…

A: Arrange the numbers in ascending order: 26,29,39,46,56,65,72,79,85,99 First we find median and mean…

Q: A sample of the number of sick days used by employees at a clinic is as indicated: 0,    0,    1,…

A: Given data 0,0,1,1,2,4

Q: Cures had a Mean of 82 and a Standard Deviation of 5 6. Find a z score for x =81 and x = 68 Z- score…

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Q: Suppose that IQ scores have a bell shaped distribution with a mean of 101 and a standard deviation…

A: The IQ scores have a bell shaped distribution with a mean of 101 and a standard deviation of 17.

Q: If each score is increased by 25, what will be the mean and standard deviation of the distribution…

A: Given that  The distribution of raw scores on particular achievement test Mean = 500 Standard…

Q: The upper 50% of the data on this graph is within how many standard deviations from the mean?…

A: Given graph: The histogram indicates the distribution is approximately normally distributed.

Q: Class Interval Frequency Class Marks Class Boundarieelative Frequen CF 20-26 12 23 19.5-26.5 0.12 12…

A: Given : Class interval Frequency Class Mark Class Boundaries Relative frequency <CF >CF…

Q: Using your calculator, find the range and standard deviation, round to The table below gives the…

A: We know that Range : It the difference between the maximum value of the data set to the minimum…

Q: If a normal distribution has a mean of 77 and a standard deviation of 11, complete the normal…

A: Given that  Mean = 77, Standard deviation, SD = 11

Q: Assume that the speed of automobiles on an expressway during rush hour is normally distributed with…

A: The speed of automobiles on an expressway during rush hour is normally distributed with a mean of 64…

Q: A variable is normally distributed with a mean of 100 and a standard deviation of 10. A student…

A: From the given information,   Mean = 100 Standard deviation = 10

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: In a normal distribution, mean is 60 and standard deviation is 5. How many of the cases have scores…

A: The probability between two specific numbers a and b in a normal distribution with mean μ and…

Q: The deviation of an entry x in a population data set is the difference between the entry and the…

A: Note: Hi there! Thank you for posting the question. It is considered that the deviation is taken…

Q: Find the mean, the standard deviation and the Z scores corresponding to the minimum and maximum…

A: 2.3, 1.0, 2.1, 6.5, 2.8, 7.8, 1.7, 2.9, 4.4, 5.1, 2.0

Q: Assume that Math test scores are normally distributed with a mean of 200 and a standard deviation of…

A: The provided information is  The mean and standard deviation is  µ=200 σ=40 P(X<120)=?…

Q: art professor gives an A to any student in the top 9% of the distribution. The grades are normally…

A: Given X~N(mean μ=60, standard deviations σ=5) P(X>b)=9%

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: Assume the test scores in your class are normally distributed with a mean of 84. You scored a 96,…

A: Given: mean = 84.

Q: Assume that math test scores are normally distributed with a mean of 400 and a standard deviation of…

A:

Q: Assume that math test scored are normally distribution with a mean of 200 and a standard deviation…

A:

Q: Find out mean deviation from mean by applying direct method from the following distribution: Values:…

A:

Q: In a normal distribution, it is known that 27.34% of all the items are included from 100 up to the…

A: X~N(μ,σ2)Then,Z=X-μσ~N(0,1)Given, P[100<X<μ]=0.2734and,…

Q: Assume that the square footage of a residential house in the US is normally distributed with a…

A: Assume that the square footage of a residential house in the US is normally distributed