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please find a) mean AND b) standard deviation
Medicine. The reaction times in minutes) of a...
find a) mean and b) standard deviation Checkout times. The checkout times (in minutes) for 12...
find a) mean and b) standard deviation
Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large supermarket during the store's busiest time are: 5.2 62 11.5 6.1 12.8 12.6 8.3 10.7 13.4 7.6 10.1 13.5 a. Find the mean of the checkout times. mins (Type an integer or a decimal. Round to two decimal places.)
A technician in a quick oil change shop had the following service times in minutes) for...
A technician in a quick oil change shop had the following service times in minutes) for 20 randomly selected cars: Sample 2 4 4.5 4.2 4.2 4.3 4.3 4.6 4.5 4.4 4.7 4.3 4.5 4.6 4.4 4.4 4.6 4.7 4.6 4.8 4.5 4.9 a) Determine the mean and range of each sample b) Determine the mean of the sample means (grand mean) and the ranges. c) Assuming a standard deviation of 0.086 and a z value of 3, calculate the...
5. A nurse at a drive-up virus check point collected the following service times (in minutes)...
5. A nurse at a drive-up virus check point collected the following service times (in minutes) for 20 randomly selected customers broken into 4 samples. Sample 2 4.6 4.5 Sample 3 4.5 4.6 Sample 1 4.5 4.2 4.2 4.3 4.3 Sample 4 4.7 4.6 4.8 4.5 4.9 4.7 4.3 4.4 4.6 A. Determine the mean of each sample. B. If the drive-up process parameters are unknown, estimate its mean (grand mean) and overall sample standard deviation for the process (20...
n the table below, earthquake magnitudes are given for any region for the last 100 years....
n the table below, earthquake magnitudes are given for any
region for the last 100 years. Convert each value in this table to
your own values to get a new table.
your new values
A) frequency table and create histogram find
B)standard deviation, find values
C) ,%variation coefficients find values
D) mode and median find values
use the formula below for conversion
Mnew=M-log10(N)
N=33
please show which item you solved when solving
Sample (A B C D)
single digit after...
Checkout times. The checkout times in minutes) for 12 randomly selected customers at a large supermarket...
Checkout times. The checkout times in minutes) for 12 randomly selected customers at a large supermarket during the store's busiest time are: 5.5 5.6 13.3 7.8 13.4 6.3 7.5 10.6 6.1 139 13. a. Find the mean of the checkout times (Type an integer or a decimal Round to two decimal places) b. Find the standard deviation of the checkout times mine (Type an integer or a decimal. Round to two decimal places)
2. (20 pts) A certain reaction was run several times using each of two catalysts, A...
2. (20 pts) A certain reaction was run several times using each of two catalysts, A and B. The catalysts were supposed to control the yield of an undesirable side product. Results, in units of percentage yield, for 24 runs of catalyst A and 20 runs of catalyst Bare as follows: Catalyst A 3.4 2.6 3.8 4.9 4.1 3.6 4.3 4.4 4.6 2.6 2.9 3.9 3.1 5.2 6.7 2.6 4.8 4.7 4.1 4.0 4.5 Catalyst B 3.4 6.4 3.7 3.5...
A population has a mean μ 84 and a standard deviation -27 Find the mean and...
A population has a mean μ 84 and a standard deviation -27 Find the mean and standard deviation of a sampling dstribution of sample means with sample sze n-81 (Simplity your answer) %" [] (Simplify your answer ) Use the given confidence interval to find the margin of error and the sample mean. (13.3,23.1) The sample mean is(Type an integer or a decimal.) in of error is . (Type an integer or a decimal.)
The produce manager at a grocery store claims that Granny Smith apples weight a mean of...
The produce manager at a grocery store claims that Granny Smith apples weight a mean of 4 ounces. (FYI: Granny Smith apples are the green ones.) You are a quality control representative and are testing to see if the claim is reasonable or not. The data below represent a POPULATION of scores from which you are to take a SAMPLE. Your sample size will be ten (10) apples. Your task is to take a sample of 10 scores to test...
A large playlist consists of songs with times which have mean 4 minutes and standard deviation...
A large playlist consists of songs with times which have mean 4 minutes and standard deviation 10 seconds. a.) A simple random sample of 64 songs is selected. What is the mean of the total length of the 64 songs, in minutes? 256 ER! 以前的尝试 RÉJITED 159-9066 b.) If as above 64 songs were randomly selected, what is the standard deviation of the total length of the songs, in minutes? (Give decimal answer to two places past decimal.) 1.3300 ES!...
Saved 2023 A sample of 100 bank customer waiting times are given in the following table:...
Saved 2023 A sample of 100 bank customer waiting times are given in the following table: Waiting Times (in Minutes) for the Bank Custoner Waiting Tine Case 4.5 9.7 11.8 10.4 4.2 7.e 5.5 8.7 8.8 5.1 5.4 4.5 6.2 3.9 8.7 7.6 4.7 4.0 4.0 10.1 .3 2.8 5.4 6.5 9.7 5.2 7.0 5.8 4.5 8.2 1.9 5.2 4.1 7.9 5.3 8.8 6.2 4.1 4.1 4.5 10.4 .2 7.0 6.8 5.5 8.3 11.3 5.9 8.8 2.8 6.7 5.5 5.e...
find a) mean and b) standard deviation
Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large supermarket during the store's busiest time are: 5.2 62 11.5 6.1 12.8 12.6 8.3 10.7 13.4 7.6 10.1 13.5 a. Find the mean of the checkout times. mins (Type an integer or a decimal. Round to two decimal places.)
A technician in a quick oil change shop had the following service times in minutes) for 20 randomly selected cars: Sample 2 4 4.5 4.2 4.2 4.3 4.3 4.6 4.5 4.4 4.7 4.3 4.5 4.6 4.4 4.4 4.6 4.7 4.6 4.8 4.5 4.9 a) Determine the mean and range of each sample b) Determine the mean of the sample means (grand mean) and the ranges. c) Assuming a standard deviation of 0.086 and a z value of 3, calculate the...
5. A nurse at a drive-up virus check point collected the following service times (in minutes) for 20 randomly selected customers broken into 4 samples. Sample 2 4.6 4.5 Sample 3 4.5 4.6 Sample 1 4.5 4.2 4.2 4.3 4.3 Sample 4 4.7 4.6 4.8 4.5 4.9 4.7 4.3 4.4 4.6 A. Determine the mean of each sample. B. If the drive-up process parameters are unknown, estimate its mean (grand mean) and overall sample standard deviation for the process (20...
n the table below, earthquake magnitudes are given for any
region for the last 100 years. Convert each value in this table to
your own values to get a new table.
your new values
A) frequency table and create histogram find
B)standard deviation, find values
C) ,%variation coefficients find values
D) mode and median find values
use the formula below for conversion
Mnew=M-log10(N)
N=33
please show which item you solved when solving
Sample (A B C D)
single digit after...
Checkout times. The checkout times in minutes) for 12 randomly selected customers at a large supermarket during the store's busiest time are: 5.5 5.6 13.3 7.8 13.4 6.3 7.5 10.6 6.1 139 13. a. Find the mean of the checkout times (Type an integer or a decimal Round to two decimal places) b. Find the standard deviation of the checkout times mine (Type an integer or a decimal. Round to two decimal places)
2. (20 pts) A certain reaction was run several times using each of two catalysts, A and B. The catalysts were supposed to control the yield of an undesirable side product. Results, in units of percentage yield, for 24 runs of catalyst A and 20 runs of catalyst Bare as follows: Catalyst A 3.4 2.6 3.8 4.9 4.1 3.6 4.3 4.4 4.6 2.6 2.9 3.9 3.1 5.2 6.7 2.6 4.8 4.7 4.1 4.0 4.5 Catalyst B 3.4 6.4 3.7 3.5...
A population has a mean μ 84 and a standard deviation -27 Find the mean and standard deviation of a sampling dstribution of sample means with sample sze n-81 (Simplity your answer) %" [] (Simplify your answer ) Use the given confidence interval to find the margin of error and the sample mean. (13.3,23.1) The sample mean is(Type an integer or a decimal.) in of error is . (Type an integer or a decimal.)
A large playlist consists of songs with times which have mean 4 minutes and standard deviation 10 seconds. a.) A simple random sample of 64 songs is selected. What is the mean of the total length of the 64 songs, in minutes? 256 ER! 以前的尝试 RÉJITED 159-9066 b.) If as above 64 songs were randomly selected, what is the standard deviation of the total length of the songs, in minutes? (Give decimal answer to two places past decimal.) 1.3300 ES!...
Saved 2023 A sample of 100 bank customer waiting times are given in the following table: Waiting Times (in Minutes) for the Bank Custoner Waiting Tine Case 4.5 9.7 11.8 10.4 4.2 7.e 5.5 8.7 8.8 5.1 5.4 4.5 6.2 3.9 8.7 7.6 4.7 4.0 4.0 10.1 .3 2.8 5.4 6.5 9.7 5.2 7.0 5.8 4.5 8.2 1.9 5.2 4.1 7.9 5.3 8.8 6.2 4.1 4.1 4.5 10.4 .2 7.0 6.8 5.5 8.3 11.3 5.9 8.8 2.8 6.7 5.5 5.e...
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