Question

Consider the following sample: 1, 5, 5, 3, 4, 3, 6, 4, 1, a 1) If...

Consider the following sample: 1, 5, 5, 3, 4, 3, 6, 4, 1, a

1) If the mean of this numerical data set is 3.7 , find the value of a

2) Evaluate the standard deviation the sample

3) Find P80

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Consider the following sample data set: 1 2 3 4 4 5 1. What is the...
Consider the following sample data set: 1 2 3 4 4 5 1. What is the mode? 2. What is the median? 3. What is the mean? 4. What is the sample standard deviation? Interpret it? Show your algebra. 5. Find the IQR and find if there is any outlier?
Consider the following sample data values. 18 13 2 4 9 6 5 1 12 find...
Consider the following sample data values. 18 13 2 4 9 6 5 1 12 find sample variance and sample standard deviation
Consider these data sets: I: 1, 3, 2, 2, 5, 4, 4, 3, 3 II: 1,...
Consider these data sets: I: 1, 3, 2, 2, 5, 4, 4, 3, 3 II: 1, 2, 4, 1, 2, 5, 2, 5, 1, 5, 5, 3 (a) Find the mean and median for each set. Show your work. (b) Find variance and standard deviation for each set. Show your work. (c) Would you be surprised to hear someone claim that these data were drawn from the same population? (Hint: Draw a histogram for each set. Compare the shapes.)
Consider the following set of ungrouped sample data. Answer parts A through D. 5   4   4   4   0   2   3   7   7   8&nb
Consider the following set of ungrouped sample data. Answer parts A through D. 5   4   4   4   0   2   3   7   7   8   ​(A) Find the mean and standard deviation of the ungrouped sample data. x= ​(B) What proportion of the measurements lies within 1 standard deviation of the​ mean? Within 2 standard​ deviations? Within 3 standard​ deviations? ​(C) Based on your answers to part​ (B), would you conjecture that the histogram is approximately bell​ shaped? Explain. (D) To confirm your​ conjecture, construct a histogram with the class interval...
Consider the following data: 10, 2, 1, 4, 5, 3, 4. a) Find the median. b)...
Consider the following data: 10, 2, 1, 4, 5, 3, 4. a) Find the median. b) Find the mean. c) Find the standard deviation. d) Find the median if -3.2 is added to each data point. e) Find the mean if -3.2 is added to each data point. f) Find the standard deviation if -3.2 is added to each data point. g) Find the median if each data point is multiplied by -9.2. h) Find the mean if each data...
Consider the following two sample data sets. Set 1: 4     5     7    6    8 Set 2:...
Consider the following two sample data sets. Set 1: 4     5     7    6    8 Set 2: 7    19   12    4    2 a. Calculate the coefficient of variation for each data set. b. Which data set has more​ variability?
a. find the mean and standard deviation of the following set of ungrouped sample data: 4,...
a. find the mean and standard deviation of the following set of ungrouped sample data: 4, 3, 5, 2, 3, 1, 2, 5, 3, 1, 5, 4, 6, 4, 5, 1, 3, 3, 7, 8, 7, 5, 4, 3, 7, 8, 4, 6, 9, 10, 10, 9, 6, 4, 6. b. What proportion of the measurements lies within one standard deviation of the mean? Within two standard deviations of the mean? Within three standard deviations? c. Based on part (b),...
Stem Leaf 2 6 3 0, 7 4 0, 2, 6 5 1, 5, 7, 9,...
Stem Leaf 2 6 3 0, 7 4 0, 2, 6 5 1, 5, 7, 9, 9 6 0, 2, 5, 8 1) standard deviation: 2)Find Five-number summary of the data set 3). Draw a box plot that represents the data set
Consider the following data: x 3 4 5 6 7 P(X=x)P(X=x) 0.2 .1 .2 .2 0.3...
Consider the following data: x 3 4 5 6 7 P(X=x)P(X=x) 0.2 .1 .2 .2 0.3 Copy Data Step 2 of 5: Find the variance. Round your answer to one decimal place. Step 3 of 5: Find the standard deviation. Round your answer to one decimal place. Step 4 of 5: Find the value of P(X>6)P(X>6). Round your answer to one decimal place. Step 5 of 5: Find the value of P(X≤5)P(X≤5). Round your answer to one decimal place.
Consider the following time series data. Week 1 2 3 4 5 6 Value 18 14...
Consider the following time series data. Week 1 2 3 4 5 6 Value 18 14 16 12 17 14 Using the naive method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy. Round the intermediate calculations to two decimal places. Mean absolute error (to 1 decimal). Mean squared error (to 1 decimal). Mean absolute percentage error (to 2 decimals). % What is the forecast for week 7 (to the nearest whole...