Appreciate if you can answer this ONE QUESTION COMPLETELY and give me a detailed working with explanation for me to understand. Once completed so long as my doubts are cleared and the solutions are correct, I will definitely vote up. Some of the question are similiar to take a look carefully before you answer as it's very important for me.
Thank you.
(a)
To generate descriptive statistics for these scores, execute the following steps.
1. On the Data tab, in the Analysis group, click Data Analysis.
2. Select Descriptive Statistics and click OK.
3. Select the range A2:A8 as the Input Range.
4. Select cell C1 as the Output Range.
5. Make sure Summary statistics is checked.
6. Click OK.
Result:
You can get all the descriptive statistics in the output.
(b)
Write the below command in any cell of the excel. Note the data is from the cell A1 to A8.
=PERCENTILE(A1:A8, 0.8)
You will get the output as 22.94
(c)
Run the below commands in R to get the descriptive statistics. The output is shown below.
On running the command, we get the below output.
> x = c(20.5,25.1,23.3,22.1,17.4,16.9,20.9,22.4) #Store the value of data
> summary(x) #Give the 5 point summary
Min. 1st Qu. Median Mean 3rd Qu. Max.
16.90 19.73 21.50 21.08 22.62 25.10
> sd(x) #Standard deviation
[1] 2.80955
> var(x) #Variance
[1] 7.893571
> summary(x)[5] - summary(x)[2] #IQR = 3rd quartile - 1st
Quartile
IQR
2.89
> quantile(x,0.8) #80th percentile
80%
22.94
>
Appreciate if you can answer this ONE QUESTION COMPLETELY and give me a detailed working with...
Appreciate if you can answer this ONE QUESTION COMPLETELY and give me a detailed working with explanation for me to understand. Once completed so long as my doubts are cleared and the solutions are correct, I will definitely vote up. Some of the question are similiar to take a look carefully before you answer as it's very important for me. Thank you. Question 4 (a) Suppose that the length of time t (in days) between sales for an automobile salesperson...
Appreciate if you can answer this ONE QUESTION COMPLETELY and give me a detailed working with explanation for me to understand. Once completed so long as my doubts are cleared and the solutions are correct, I will definitely vote up. Some of the question are similiar to take a look carefully before you answer as it's very important for me. Thank you Question 2 (a) Identify the mean and variance of a standard normal random variable Z. Determine the following...
Appreciate if you can answer this ONE QUESTION COMPLETELY and give me a detailed working with explanation for me to understand. Once completed so long as my doubts are cleared and the solutions are correct, I will definitely vote up. Some of the question are similiar to take a look carefully before you answer as it's very important for me. Thank you Question 1 A laboratory test is 95 % correct in detecting a certain disease when the disease is...
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