Question

Find the weighted average of a data set where 10 has a weight of 3, 40...

Find the weighted average of a data set where 10 has a weight of 3, 40 has a weight of 5, and 50 has a weight of 2. (Enter an exact number.)

Homework Answers

Answer #1

Let there be a data set of size . Let the corresponding weights of the values be respectively. Then, the weighted average of the data set is given by

For the given problem, the data set is given as and the corresponding weights are . So, the weighted average is given as

Therefore, the weighted mean of the data set is .

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
Find the mean, median, and mode of the data set. 8    2    5    2    3 mean...
Find the mean, median, and mode of the data set. 8    2    5    2    3 mean (Enter a number.)   median (Enter an exact number.)   mode (Enter an exact number.)
Using the given data set to answer the following questions80 60 100 40 40 50 80...
Using the given data set to answer the following questions80 60 100 40 40 50 80 90 100 60 10 80 45 60 30 80 30 90 100 60 50 75 a. find Mean, Median, Mode, Standard Deviation, and Variance: b. find First quartile and Third Quartile c. Find the number which represents the 33th percentile. d. find the percentile of 45 e. find the range and midrange f. construct a box-plot g. Construct a frequency distribution with 5 classes....
Hamilton Pawn Shop has two bond issues outstanding. Compute the weighted average cost of debt for...
Hamilton Pawn Shop has two bond issues outstanding. Compute the weighted average cost of debt for HPS using the following data: Bond Issue A                  Bond Issue B Face Value                                                    1000                           1000 Current Price                                                97                                104 Coupon rate                                                  5%                              7% Payable                                                         Annually                     Semiannually            Years to maturity                                          14                                6 Number of bonds outstanding                   4000                           2500 What is the YTM on bond A? _________________ What is the YTM on bond B? _________________ What is the market value weight (percentage)...
Consider the data set. 2,3,4,6,9 (a) Find the range. (Enter an exact number.) (b) Use the...
Consider the data set. 2,3,4,6,9 (a) Find the range. (Enter an exact number.) (b) Use the defining formula to compute the sample standard deviation s. (Enter a number. Round your answer to two decimal places.)
1. Given the data set: 40, 40, 35, 48, 38, 40, 36, 50, 32, 36, 40,...
1. Given the data set: 40, 40, 35, 48, 38, 40, 36, 50, 32, 36, 40, 35, 30, 24, 40, 36, 40, 39, 33, 40, 32, 38, construct an appropriate frequency distribution table and draw a frequency histogram, frequency polygon, and ogive. number of classes =5 2. Use the following table to find the following probabilities: Nursing Majors Non-Nursing Majors Total Males 94 1104 1198 Females 725 1682 2407 Total 819 2786 3605 a. The student is male or a...
Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set....
Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 31 37 39 42 46 48 55 61 76 76 range =  (Please enter an exact answer.) standard deviation (ss) =  (Please show your answer to one decimal place.) IQR =  (Please enter an exact answer.) A new number, 153, is added to the data set above. Please find the new range, sample standard deviation and IQR of the new data set. range =  (Please enter an exact...
Consider the data set. 2, 4, 6, 7, 8 (a) Find the range. (Enter an exact...
Consider the data set. 2, 4, 6, 7, 8 (a) Find the range. (Enter an exact number.) (b) Use the defining formula to compute the sample standard deviation s. (Enter a number. Round your answer to two decimal places.) (c)  Use the defining formula to compute the population standard deviation σ. (Enter a number. Round your answer to two decimal places.)
Consider the data set 4 6 8 2 8 8 8 7 3 Find the average...
Consider the data set 4 6 8 2 8 8 8 7 3 Find the average (mean): Find the median
here ∑x⁢w is obtained by multiplying each data value by its weight and then adding the...
here ∑x⁢w is obtained by multiplying each data value by its weight and then adding the products. Suppose an instructor gives two ex**ms and a final, assigning the final a weight twice that of each of the other ex*ms. Find the weighted mean for a student who scores 61 and 75 on the first two ex*ms and 87 on the final Enter the exact answer.
I cannot find the Weighted-average lower-of-cost-or-market. Lower-of-Cost-or-Market For the weighted-average method, round calculations to two decimal...
I cannot find the Weighted-average lower-of-cost-or-market. Lower-of-Cost-or-Market For the weighted-average method, round calculations to two decimal places. If required, round your final answers to the nearest cent. 1. Calculate the total amount to be assigned to the ending inventory under each of the following periodic inventory methods: a. FIFO b. Weighted-average 2. Assume that the market price per unit (cost to replace) of Stalberg's inventory on December 31, 20--, was $26. Calculate the total amount to be assigned to the...