Which combination of factors will produce the smallest value for the standard error? O a. A large sample and a small standard deviation b. A small sample and a large standard deviation O. A small sample and a small standard deviation O d. A large sample and a large standard deviation

Q: A nutritionist claims that the mean tuna consumption by a person is 3.3 pounds per year. A sample of…

A: Given: Population mean (μ) = 3.3 Sample meanx¯=3.1 Population standard deviation (σ)=1.05 Sample…

Q: Assume that the heights of women are normally distributed with a mean of 66.0 inches and a standard…

A: Here we need to find the 3rd quartile. Given X~ N(66, 1.04). We need x such that P(X<x)=0.75

Q: The heights of men are normally distributed with a mean of 174.12 cm and a standard deviation of…

A: Consider x be a random variable which follows normal distribution indicates the heights of men. The…

Q: 29. The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what…

A: Since you have posted more than one question, we are answering the first question as per our rule.…

Q: An agronomist measured the height of 115 Canola plants. The mean height was 242 cm and the standard…

A: The mean is 242 cm and the standard deviation is 14 cm.

Q: Both sets of values have an average of 13. Is Set A's standard deviation smaller, larger, or about…

A: Given information- Average for both sets is (X-bar) = 13 To know which set has larger standard…

Q: o compare the dry braking distances from 30 to 0 miles per hour for two makes of automobiles, a…

A:

Q: Use the standard deviation values of the two samples to find the standard deviation of the sample…

A: Given: Standard deviation of Red Box = 3.868Blue Box= 2.933

Q: Twelve percent of the world's population is left-handed. A researcher daims that left-handed…

A: Solution: From the given information, the out of 1650 artists 10% are left-handed. The population…

Q: A sample consists of the following n = 5 scores: 10 4 3 7 3 Compute the mean and standard deviation…

A:

Q: At one university, the mean distance commuted to campus by students is 16.0 miles, with a standard…

A: Given: x~N(μ,σ)μ=16σ=4.1

Q: The manager of "Frenchies" is concerned that the patrons are not consistently receiving the same…

A: Solution: From the given information, the sample variance is S=1.7, population standard deviation is…

Q: ble and highest possibel marks assuming normal distributiion .

A: P(X<5)=Pz<5-589=0

Q: 28. The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what…

A: Given: Standard deviationσ=15 and sample sizen=100. Formula used: Standard Error=σn To find: Sample…

Q: Suppose the weight of all boxes of cereal in a home with children is normally distributed with a…

A: Given that a) Mean = 55, Standard deviation = 9.32, sample size = 8 b) Proportion p = 0.45, sample…

Q: A survey selects an SRS of n = 500 people from a town of 55,000. The sample shows a mean of 2.30…

A: Given, n= 500= sample size Let, X = health problem of a person μ = mean of X = 2.30 σ = sd of X =…

Q: b- Find out which is more dispersion variable (X) or variable (Y). if the Arithmetic Mean and the…

A:

Q: A cab company has computed its mean fare to be $37.00, with a standard deviation of $5.20. Suppose…

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: Let ?̅ be the mean of a random sample of size 90 drawn from a population with a mean of 117 and a…

A:

Q: For a sample of n = 16 scores, what is the value of the population standard deviation (σ) necessary…

A:

Q: Which of the following would be expected to result in a larger standard error of the mean? A. a…

A: standard error is calculated as, standard error SE=standard deviation σnn =sample size Explanation:…

Q: For the medical study, a researcher wishes to select people in the middle of 40% of the population…

A: Solution

Q: Use the standard deviation values of the two samples to find the standard deviation of the sample…

A:

Q: Which statement about standard error is false? O A. It is a measure of the variability of a…

A: We need to find, which statement about standard error is false:- A. It is a measure of the…

Q: SEM for a sample of size 100 and standard deviation of 5.6 is equal to?   a - 14/25   b 23/100   c…

A: Given: Sample size (n) = 100 Standard deviation = 5.6

Q: A nutritionist claims that the mean tuna consumption by a person is 3.3 pounds per year. A sample of…

A: We have given that,  Hypothesized mean = 3.3 , Mean = 3.2 , SD = 1.06 , Sample size = 50 , At…

Q: a In a country the height of people is normally distributed with mean u = 172 cm and standard…

A:

Q: b. There were 218 players in the National Lacrosse League in 2013. Assuming the mean and standard…

A: Assume, X be the random variable representing the weight of players (in lbs). It can be assumed that…

Q: Let ?̅ be the mean of a random sample of size 65 drawn from a population with a mean of 75 and a…

A: Solution-: Let, X= be the random variable Given: μ=75,σ=19,n=65 We find, (a) Mean of  X¯=? and…

Q: o compare the dry braking distances from 30 to 0 miles per hour for two makes of automobiles, a…

A: Solution: Given information: n1= 35 Sample size make A n2= 35  Sample size make Bx1=43 feet  Sample…

Q: Assume that IQ scores are normally distributed with a mean of 100 and standard deviation of 15. If a…

A: It is given that the mean is 100 and the standard deviation is 15.

Q: The mean and standard deviation of a normal variate are 70 and 16 respectively. Find P(38 < x < 46).

A: As per our guidelines we are supposed to answer only one question per post so i am solving first…

Q: Assume that thermometer readings are normally distributed with a mean of 0°C and a standard…

A: Given: Thermometer readings follows standard normal distribution.

Q: An audit finds that the dollar amounts of invoices have a mean of $1,662 and a standard deviation of…

A: we have given that mu=1662 ,sigma =302 , n=50  X~N(mu=1662 , sigma^2=302^2) X is a normally…

Q: The parallel histograms below display the heights of men in each of two countries. Which of the…

A: Given ,

Q: A simple random sample of 40 items resulted in a sample mean of 25. The population standard…

A: The provided information are: Sample size (n) = 40 Population standard deviation σ=5 Margin of error…

Q: A distribution has a mean of 30 and a standard deviation of 4. Approximately 68% of the distribution…

A:

Q: 29. The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what…

A: The complete solutions are given below

Q: Which is the standard error of M?     a. the mean of the distribution of sample means   b. the…

A:

Q: 24. Which of the following is likely to have the largest standard deviation? O Number of hours…

A: Note: Hey there! Thank you for the question. As you have posted multiple questions together,…

Q: A company's mean salary is $65,000 with a standard deviation of $6,000. If a sample of 40 employees…

A: This is a statistics problem

Q: which of the following would be expected to result in a larger standard error of the mean? (a) a…

A:

Q: 4. An angle was measured six times, the observed values being 49°23'00", 49°23'20", 49°22'40",…

A:

Q: Q15 The mean & standard deviation of a sample of size 100 are 12 and 1 ,the smallest possible number…

A: We have  to find out correct answer for the question..

Q: Given Mean = 50, C.V. = 40%, Karl PearsonS Coefficient of Skewness = -0.4 Find standard deviation…

A: According to the given information, we have Mean = 50 Coefficient of variation, C.V. = 40% Karl…

Q: Suppose a population has a mean weight of 180 pounds and a standard deviation of 25 pounds. A sample…

A: Given,mean(μ)=180standard deviation(σ)=25sample size (n)=100

Q: The diameter of a spindle in a small motor is supposed to be 4.4 millimeters (mm) with a standard…

A: From the provided information, a) Population mean (µ) = 4.4 Standard deviation (σ) = 0.11 Sample…

Q: At one university, the mean distance commuted to campus by students is 16.0 miles, with a standard…

A:

Q: A laboratory kit states that the standard deviation of its results can be expected to vary with σ =…

A: The laboratory kit states that the standard deviation of its results can be expected to vary with σ…