The figure below illustrating chemical process concentration readings made every hour. The minimum and maximum readings are 16.3 and 17.8 respectively. The estimated mean of readings is 17.2 with standard deviation of o.36. Select the best statement that represent the process and its measurements.

Q: The life of a 9-volt battery is normally distributed with a mean of l = 2000 hours and a standard…

A:

Q: The mean of a normal disiribution is 50 and standard deviation is 12.5. Calculate the 60th, 65th and…

A: Given,mean(μ)=50standard deviation(σ)=12.5

Q: To measure variability, why is the standard deviation usually preferred over the range? Give an…

A: (a) The standard deviation is used to calculate the variability of the data set. It tells us about…

Q: The number of miles driven on each of five tires was 17,000, 18,000, 18,000, 21,000, and 22,000.…

A: Given data, 17,000, 18,000, 18,000, 21,000, and 22,000   Sort the data in ascending order. 17,000,…

Q: The life of a 9-volt battery is normally distributed with a mean of U = 2000 hours and a standard…

A: Percentiles: If the elements in the data set are arranged in ascending order of magnitude, then the…

Q: The annual per capita consumption of bottled water was 30.2 gallons. Assume that the per capita…

A: Given information- Population mean, µ = 30.2 gallons Population standard deviation, σ = 13 gallons…

Q: The weights of adult California Condors average 14.8lbs with a standard deviation of 3.25lbs.…

A:

Q: Assume that the mean monthly pay for an organization is $1500 and the standard deviation is $300.…

A: Mean will be increased by $200 then the new mean will be $1700

Q: On a spelling test, the standard deviation is equal to 0.94. What does this mean

A: We know that the Standard deviation tells us that how much data is scattered around the mean value…

Q: The cruising altitudes for the fleet of one commercial airliner are normally distributed with a mean…

A: It is given that the mean is 34,950 and the standard deviation is 1,800.

Q: the data set has a size 50, how many observations lie within 2 standard deviations of the mean

A: From the provided information, Sample size (n) = 50 The observations lie within 2 standard…

Q: Use Chebyshev's Theorem to find what percent of the values will fall between 120 and 150 for a data…

A: The percentage of observations that are within k std dev. of the mean is 100(1-1k2)%

Q: A police radar gun is used to measure the speeds of cars on a highway. The speeds of cars are…

A:

Q: Suppose that textbook weights are normally distributed. You measure 28 textbooks' weights, and find…

A: It is given that the sample size is 28 text books and the mean weight of 28 text books is 49 ounces.…

Q: Assuming that the heights of college women are normally distributed with mean 62 inches and standard…

A:

Q: ) Approximate the mean and standard deviation for temperature.

A: (a) The mean for temperatures is, Temperature Days(f) Midpoint(x) fx 50 - 59 4 54.5 218 60 -…

Q: A particular fruit's weights are normally distributed, with a mean of 621 grams and a standard…

A: It is given that the fruits weights follow normal distribution with mean 621 and standard deviation…

Q: Write the steps of calculating the population standard deviation.

A: Standard deviation: The standard deviation is based on how much each observation deviates from a…

Q: A particular battery claims to have a mean life of 400 hours with a standard deviation of 30 hours.…

A: Mu=400, sigma=30 P(X>420)= ?

Q: Assuming that the heights of college women are normally distributed with mean 61 inches and standard…

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

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: Find the Median of the data set Compute the Standard deviation. (i)

A: To find the median we have to arrange the data set first.  That is: 15   17   18   19   20   31   33…

Q: Calculate both the sample and the population standard deviations using the data below. 22 30 7 28 3…

A: 22 6 36 30 14 196 7 -9 81 28 12 144 3 -13 169 6 -10 100

Q: The average hourly wage for a certified dental assistant is $15.71 per hour, with a standard…

A:

Q: The average temperature in a town in January is 22.1 oF and the standard deviation is 7.5 pF. What…

A: we have to find average temperature  in Celsius  from given data. given data : mean = 22.1.of…

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

A: 11. Range rule of thumb: SD=Range4

Q: In one town, the number of pounds of sugar consumed per person per year has a mean of 6 pounds and a…

A: In one town, the number of pounds of sugar consumed per person per year has a mean of 6 pounds and a…

Q: Find the range and standard deviation for the data items in the histogram below. 5 4 Frequency

A: From the histogram, The frequency table is, Data Frequency 10-20 2 20-30 5 30-40 5 40-50…

Q: The birth weights of newborn elephants are Normally distributed with a mean of 160 pounds and a…

A:

Q: Seattle, Washington, averages m=34 inches of annual precipitation. Assuming that the distribution of…

A: From the provided information, Mean (µ) = 34 inches Standard deviation (σ) = 6.5 inches Let X be a…

Q: The weights of men are normally with a mean of 172 pounds and a standard deviation of 29 pounds.…

A: Let X be the random variable from normal distribution with mean (μ) = 172 and standard deviation (σ)…

Q: The number of miles driven on each of five tires was 17,000, 18,000, 18,000, 20,000, and 22,000.…

A:

Q: A forest ranger researching ecosystem recovery following forest fires collected data on a large…

A: Given that Mean = 3.2 feet Standard deviation = 0.6 feet

Q: Assume Springfield house prices are Normally distributed with a mean of $415,000 and standard…

A:

Q: The number of miles driven on each of five tires was 17,000, 19,000, 19,000, 21,000, and 21,000.…

A:

Q: Assuming that the heights of college women are normally distributed with mean 68 inches and standard…

A: According to the empirical rule,

Q: Find the range and the standard deviation (correct to two decimal places). 84, 96, 104, 104, 107…

A: Obtain the value of range. The value of range is obtained below as follows:   From the information,…

Q: Determine the mean and the standard deviation.

A: We have Given a binomial Distribution that is our random variable X~b(n,p) with parameter n=50,…

Q: An agronomist measured the height of 134 canola plants. The mean height was 214 cm and the standard…

A:

Q: The following data give the speeds (in kilometer) as measured by radar of 5 selected cars traveled…

A: The data shows the speeds (in kilometer) as measured by radar of 5 selected cars traveled at NLEX.

Q: The data set has mean 30 and standard deviation 4. Approximately what percentage of the observations…

A: The provided information are: Population mean (µ) = 30 Population standard deviation (σ) = 4

Q: After calculating the mean and standard deviation, how do we interpret the result, and when a…

A: The mean is a measure of central tendency and the standard deviation is a measure of dispersion in…

Q: The mean of a distribution is 50 and the standard deviation is 6. Using the empirical rule, find the…

A:

Q: The number of miles driven on each of five tires was 17,000, 18,000, 18,000, 21,000, and 21,000.…

A: The given data is xi=17000, 18000, 18000, 21000, 21000. The number of observations is n=5.

Q: Assuming that the heights of college women are normally distributed with mean 68 inches and standard…

A: Given Mean=68 Standard deviation=3

Q: Given this data determine a) the mean customer rating and b) the standard deviation for the customer…

A: We have to calculate the mean and SD for the given frequency distribution of customer ratings.

Q: The data set has mean 15 and standard deviation 2. Approximately what percentage of the observations…

A:

Q: The daily water usage per person in Davao City is normally distributed with a mean of 20 gallons and…

A: Given that, Mean = 20 Standard deviation = 5

Q: The finishing times in the New York City 10-km run are normally distributed with mean 61 minutes and…

A: It is given that the mean is 61 and the standard deviation is 9.