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find a) mean and b) standard deviation
Checkout times. The checkout times (in minutes) for 12...
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)
please find a) mean AND b) standard deviation Medicine. The reaction times in minutes) of a...
please find a) mean AND b) standard deviation
Medicine. The reaction times in minutes) of a drug given to a random sample of 12 patients are: 3.8 6.3 4.2 4.1 4.2 5.4 4.6 6.3 6.7 4.3 5.7 6.7 a. Find the mean of the reaction times. mins (Type an integer or a decimal. Round to two decimal places.)
The following data represent soil water content (percentage of water by volume) for independent random samples...
The following data represent soil water content (percentage of water by volume) for independent random samples of soil taken from two experimental fields growing bell peppers. Soil water content from field I: x1; n1 = 72 15.2 11.3 10.1 10.8 16.6 8.3 9.1 12.3 9.1 14.3 10.7 16.1 10.2 15.2 8.9 9.5 9.6 11.3 14.0 11.3 15.6 11.2 13.8 9.0 8.4 8.2 12.0 13.9 11.6 16.0 9.6 11.4 8.4 8.0 14.1 10.9 13.2 13.8 14.6 10.2 11.5 13.1 14.7 12.5...
A fire insurance company thought that the mean distance from a home to the nearest fire...
A fire insurance company thought that the mean distance from a home to the nearest fire department in a suburb of Chicago was at least 4.6 miles. It set its fire insurance rates accordingly. Members of the community set out to show that the mean distance was less than 4.6 miles. This, they thought, would convince the insurance company to lower its rates. They randomly indentified 61 homes and measured the distance to the nearest fire department from each. The...
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...
The data on the below shows the number of hours a particular drug is in the...
The data on the below shows the number of hours a particular drug is in the system of 200 females. Develop a histogram of this data according to the following intervals: Follow the directions. Test the hypothesis that these data are distributed exponentially. Determine the test statistic. Round to two decimal places. (sort the data first) [0, 3) [3, 6) [6, 9) [9, 12) [12, 18) [18, 24) [24, infinity) 34.7 11.8 10 7.8 2.8 20 9.8 20.4 1.2 7.2...
1) Let x be a continuous random variable that is normally distributed with a mean of...
1) Let x be a continuous random variable that is normally distributed with a mean of 21 and a standard deviation of 7. Find to 4 decimal places the probability that x assumes a value a. between 24 and 30. Probability = b. between 17 and 31. Probability = ------------------------------------------------------------------------------------------------------------------------------------------------------ 2) Let x be a continuous random variable that is normally distributed with a mean of 65 and a standard deviation of 15. Find the probability that x assumes a...
3. Waiting times (in minutes) of customers in a bank where all customers enter a single...
3. Waiting times (in minutes) of customers in a bank where all customers enter a single waiting line and a bank where customers wait in individual lines at three different teller windows are listed below. Find the mean and median for each of the two samples, then compare the two sets of results. Single Line 6.36.3 6.66.6 6.76.7 6.86.8 6.96.9 7.17.1 7.67.6 7.87.8 7.87.8 7.87.8 Individual Lines 4.14.1 5.55.5 6.06.0 6.16.1 6.26.2 7.87.8 7.87.8 8.78.7 9.29.2 10.010.0 The mean waiting...
1. Calculate the mean and standard deviation for each variable using formulas or functions. 2. Calculate...
1. Calculate the mean and standard deviation for each variable
using formulas or functions. 2. Calculate descriptive statistics
for each variable using the Analysis Toolpak. 3. Calculate the
coefficient of variation for each variable. What general
interpretation can you make from these values? 4. Calculate the
correlation between Revenue and Employees using a formula.
Calculate the coefficient of determination. 5. Create a correlation
matrix for the eight numerical variables. Note any relationship of
interest
Rank
COMPANY NAME
City
State
Revenue...
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)
please find a) mean AND b) standard deviation
Medicine. The reaction times in minutes) of a drug given to a random sample of 12 patients are: 3.8 6.3 4.2 4.1 4.2 5.4 4.6 6.3 6.7 4.3 5.7 6.7 a. Find the mean of the reaction times. mins (Type an integer or a decimal. Round to two decimal places.)
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...
1. Calculate the mean and standard deviation for each variable
using formulas or functions. 2. Calculate descriptive statistics
for each variable using the Analysis Toolpak. 3. Calculate the
coefficient of variation for each variable. What general
interpretation can you make from these values? 4. Calculate the
correlation between Revenue and Employees using a formula.
Calculate the coefficient of determination. 5. Create a correlation
matrix for the eight numerical variables. Note any relationship of
interest
Rank
COMPANY NAME
City
State
Revenue...
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