3.If somebody invests P15,000 at 7 percent, P20,000 at 10 percent, and P 30,000 at 8 percent, what is the average return on these investments? Solution:

Q: According to the below table calculate the weighted mean. Row Number of Students Row Average 82.3…

A: Given information- We have given a table of the number of students and their row average. We have…

Q: Which has a higher median?   actresses both have the same median data is needed to tell actors

A: Which has a higher median? We know that median is the middle number in a sorted, ascending or…

Q: Find the variance for this data set of salaries 30, 34, 52, 48, 25, 36, 27 Round the…

A: The mean of the sample data can be obtained as:

Q: 5. The grade point average (GPA) for college students is based on a weighted mean computation. For…

A:

Q: Find the mean, the median, and the mode of the following scores. (If an answer does not exist, enter…

A: Solution: x(1) Frequency (f)(2) f⋅d(4)=(2)×(3) cf(6) 50 2 -2 -4 2 60 5 -1 -5 7 70=A 9 0 0…

Q: Use the following data set to answer the questions. 13 15 20 20 20 20 20 20 20 23 27 31 a. What is…

A:

Q: Find the std. dev., variance, range and coefficient of variance.  Compare the coefficient of…

A: Group A:

Q: Write down the steps for finding the median?

A: Median: The median is the middle-most observation in an ordered (in an ascending or descending…

Q: Find the mean, median and mode of this ungrouped data. Grades of 25 BSEd-Mathematics Students in…

A: Given information- We have given the grades of 25 BSEd mathematics students in Statistical theory.…

Q: The effect of data modification by addition on it on the geometric mean

A: GivenLet us consider a data distribution a1, a2, a3, ...., an. Its geometric mean is calculated as…

Q: 1. (12pt) A researcher is studying hospital cleanliness comparing carpeted rooms with uncarpeted…

A: There are two independent samples which are carpeted rooms and uncarpeted rooms. We have to test…

Q: Find the geometric mean of the following data. Weight(Kg):45,60,48,100,65

A: Given data is  45 , 60, 48, 100, 65 Sample size(n)=5

Q: If 50 and 70 are the two elements of a population data set and their z-scores are -2 and 3,…

A: For  X=50, Y=70  Z score= -2 and 3 for point X and Y

Q: Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to…

A: The given numbers are 50, 51, 34, 20, 39, 22, 26, 54. There are total 8 observations. Recall the…

Q: Compute for the mean, median, mode and sd. Round off your answers to the nearest hundredths

A: Given information- We have given the data (arranging in ascending order)- 25 31 35 35 38 41 43…

Q: Use the following values to answer question: 2, 4, 6, 5, 7, 3 What is the population variance?

A: The values are 2, 4, 6, 5, 7, 3.

Q: The median of the data 24.2, 37.4, 44.6, 52.4, 64.8 is 24.2 52.4 44.6 64.8 37.4

A: If there is n value. n is odd. Then value of (n+1)/2 th term is the median.

Q: 1. (12pt) A researcher is studying hospital cleanliness comparing carpeted rooms with uncarpeted…

A:

Q: A recent survey of a new diet cola reported the following percentages of people who liked the taste.…

A: Area% FavoredNumber surveyed12520002352000350500

Q: Find the mean, the median, and the mode of the following scores. (If an answer does not exist, enter…

A: Obtain the value of mean.   The value of is obtained below:   From the information, given that The…

Q: Professor Pete’s calculus class has the following scores: 19   21   31   32   37   45   52   55…

A: Given, The scores are 19, 21, 31, 32, 37, 45, 52, 55, 62, 63, 63, 65, 65, 77, 78 Formula of Mean for…

Q: The durations (in minutes) of power failures at a residence in the last 4 years are listed below. 46…

A: We need to find the mean , median and mode of the data set. n= 10 observation n is even

Q: Consider the data below: 17, 11, 10, 13, 1, 6, 18, 21, 8, 5 Compute the mean? Find the median?…

A:

Q: Describe briefly the multinomial distribution.

A: Solution-: Describe briefly the multinomial distribution.

Q: Brand A Brand B Brand C Dotplot of Brand A, Brand B, Brand C : • 6 9 12 15 Lifetimes (in hours) 18

A: Given the dot plot of 3 brands of lifetimes ( in hours).Want to find out which brand has the…

Q: QI. Define the Statistics.

A: Solution-: We define the statistics?

Q: Which of the following is true about the set of data? 15,15,13,17,15,15,19 ?a. The median is equal…

A: Given data: Let, x =  15,15,13,17,15,15,19  To find: Which of the following is true about the set of…

Q: Use the properties of the mean and median to determine which are the correct mean and median for the…

A: Here we see that from above graph that, distribution is positively skewed.  Here mean is lies in…

Q: 5. The grade point average (GPA) for college students is based on a weighted mean computation. For…

A: 5. Given The grades are given the following data values (x): A(4), B(3), C(2), D(1) and F(0) Credits…

Q: Can you find a set of data such that the mean, median, and variance are all equal to each other?…

A: Yes, it is possible to have a datasets with same mean, median and mode. Consider the dataset: 4, 5,…

Q: How do you compute median in Excel?

A: Enter the given data in first column of excel sheet.

Q: The grades are given the fe work, a student at Univer rs of C, and 3 credit hours te the students'…

A: Weighted mean is the term used when some quantities are more  significant than others and do not…

Q: Q3. Find the value of z which make the variance of the set of data following equal to 2.5? 9,8,6,…

A: Topic- variance

Q: 2. Find the median survival.

A: Let, X be the time to failure of transplanted kidney in months. Given, X follows Weibull…