A quantitative data set of size 60 has mean 50 and standard deviation 66. Approximately how many observations lie between 44 and 56​?

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: the data set has size 50. Approximately how many observations lie within three standard deviation to…

A: Empirical rule (68-95-99.7 rule): Approximately 68% of data lies within the first standard…

Q: The Standard Deviation for the Sum of Squared Errors for a data set is 9.8. What is the cutoff for…

A: Given that: Sample standard deviation for SSE or residuals is, s=9.8

Q: A particular fruit's weights are normally distributed, with a mean of 252 grams and a standard…

A:

Q: Below are the range and standard deviation for a set of data. Use the range rule of thumb and…

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Q: A group of adult males has foot lengths with a mean of 28.33 cm and a standard deviation of 1.46 cm.…

A:

Q: 20. Find the mean and standard deviation of the following data:

A: Class Frequency 1 - 5 2 6 - 10 5 11 - 15 2 16 - 20 1

Q: Given population parameters for two populations, population 1 has a mean of 500 and a standard…

A: The coefficient of variation of Population 1 :  8%     The coefficient of variation of Population 2…

Q: A particular fruit's weights are normally distributed, with a mean of 292 grams and a standard…

A: Given mean = 292 grams standard deviation = 32 grams.

Q: A particular fruit's weights are normally distributed, with a mean of 539 grams and a standard…

A: Given data,normal distribution μ=539σ=22the haviest 17% of fruits weightg more than grams =?

Q: The margin of error is 6, with a sample standard deviation of 20 and 92% level of confidence. Step…

A: As the population mean is estimated on the basis of sample mean, there must be some error in…

Q: Given population mean of 200, a sample of 25 has a standard deviation of 3. Answer ? Standard…

A: Given: Population mean = 200 Sample size = 25 Standard deviation = 3

Q: Given that a data set has the following data values: 2, 4, 6, what would be the standard deviation?…

A: We have given that,  The data set are : 2, 4, 6 Then,  We will find the standard deviation (s) = ?

Q: Given that the mean of a set of data is 40 and the standard deviation is 2, what is the coefficient…

A: Given,standard deviation(σ)=2mean(μ)=40

Q: A group of adult males has foot lengths with a mean of 27.78 cm and a standard deviation of 1.36 cm.…

A: In this problem, we are given information about the foot lengths of a group of adult males,…

Q: Given: 37, 27, 17, 40, 20, 33, 20 Find the, 4. Range 5. Standard Deviation 8. Solve & Identify what…

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

Q: A distribution of values is normal with a mean of 33.6 and a standard deviation of 76.4. Find the…

A: X has a normally distributed with a mean(μ)=33.6    and a standard deviation(σ) = 76.4

Q: A particular fruit's weights are normally distributed, with a mean of 304 grams and a standard…

A: Solution Given that, Mean(μ) = 304Standard deviation (σ) = 19

Q: A particular fruit's weights are normally distributed, with a mean of 712 grams and a standard…

A: Solution: Let X be the weight of a particular fruit. From the given information, X follows normal…

Q: the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25

A: Given Mean μ=84Standard deviation σ=4 The formula for Z score isZ=X-μσX=Z×σ+μ

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.4 and a standard…

A: Given,Mean, μ = 96.4Standard deviation, σ = 18Using formula,

Q: Assume that adults have IQ scores that are normally distributed with a mean of 95.9  and a standard…

A: Given mean=95.9, standard deviations σ=24

Q: 3. Number of laid eggs EGGS 462 480 498 98 75 55 No of days 57 516 42 534 30 552 21 570 588 25 11…

A: There are four activities given in this question along with the data generated from them. Heights…

Q: particular fruit's weights are normally distributed, with a mean of 216 grams and a standard…

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Q: t problem. Use the empirical rule

A: According to the empirical rule, approximately 95% of the observations fall within 2 standard…

Q: A particular fruit's weights are normally distributed, with a mean of 712 grams and a standard…

A: Given Information: A particular fruit's weights are normally distributed, with a mean of 712 grams…

Q: A particular fruit's weights are normally distributed, with a mean of 214 grams and a standard…

A: Obtain number of grams that weighs more than heaviest 11% of the fruits. The number of grams that…

Q: A particular fruit's weights are normally distributed, with a mean of 385 grams and a standard…

A: Given that mean = 385 ,s.d = 17,p value =0.10

Q: A normal population has the mean m=70 and standard deviation 20. what proportion of the population…

A: Obtain the proportion of the population is greater that 95. The proportion of the population is…

Q: Given the following data: 8,5,6,10,8,3,6 find the A. Median B.Sample Mean C.Sample standard…

A: Given data, 8,5,6,10,8,3,6   Sort the data in ascending order. 3,5,6,6,8,8,10

Q: A particular fruit's weights are normally distributed, with a mean of 747 grams and a standard…

A: We have given that a particular fruit’s weight is normally distributed with mean 747 grams and…

Q: A group of adult males has foot lengths with a mean of 28.07 cm and a standard deviation of 1.42 cm.…

A:

Q: A set of data items is normally distributed with a mean of 50 and a standard deviation of 8. Convert…

A: We have given that  Mean, μ = 50 Standard deviation, σ = 8 Z-Score, z = ( X - μ )/σ

Q: Animals of a given weight are operated on in a veterinary hospital. The dose of anesthetic A (in mg)…

A: a. The dose “D” that the vet should administer, in order that 99.9% of animals will be suitably…

Q: A quantitative data set has size 50. At least how many observations lie within three standard…

A: The size of the data set is 50.

Q: 7. A group of fish specialists are trying to gain information about the population of trout in a…

A:

Q: Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 68…

A: Given : x¯=68s=4 The Empirical Rule states that 99.7% of data observed following a normal…