2. SHINY SHOES collects sample data on the number of shoes it sells per day: 10,...
3. LUXURY CARS collects sample data regarding the number of cars rented per day: 10, 6, 20 a) Calculate the mean, median and mode b) Calculate the range, standard deviation and coefficient of variation
1. ABC FURNITURE collects sample data on the number of sofas sold per day: 9, 8 6, 4. 8. 2 a) Calculate the mean, median and mode b) Calculate the range, standard deviation and coefficient of variation
10, 3. LUXURY CARS collects sample data regarding the number of cars rented per day: 6, 20 a) Calculate the mean, median and mode b) Calculate the range, standard deviation and coefficient of variation c) Calculate Pearson's coefficient of skewness d) Calculate Q.
The following set of data is from a sample of n=6. 8 2 7 8 10 11 a. Compute the mean, median, and mode. b. Compute the range, variance, standard deviation, and coefficient of variation. c. Compute the Z scores. Are there any outliers? d. Describe the shape of the data set.
A bank collects data on the number of loan applications filled incorrectly each day to construct a np-chart. Data from the previous 10 days indicate the following number of loan applications filled incorrectly per day in a sample size of 25 per day. Day Incorrect loan applications/day 1 5 2 7 3 6 4 5 5 8 6 4 7 4 8 5 9 5 10 6 Question 1. Calculate the average number of incorrect loan applications per sample and...
(2) Consider the sample: 9, 6. 7, 9, 10, 8 a) Find: the mean, the median, the mode b) Find: the range, the quartiles Q1, Q3, the variance, the standard deviation c) Draw a box-plot for the given data set.
i. A sample of 50 Indian households had a mean cash income of $12 per day with a standard deviation of $3 per day. A sample of 70 households had a mean cash income of $2000 per day with a standard deviation of $400 per day. Which sample has the wider spread in cash income? ii . For a lab class, student’s lab tests was ranked on a scale of 0 to 10. 8, 5, 5, 7, 3, 5, 7,...
2. The data set below is a sample of the Mathematics test scores of 10 students: 56, 96, 78, 67, 60, 69, 85, 90, 89, 72 (a) Find the mean and median of the given test scores. (b) Is there a mode value for these scores? Why or why not? (c) Find the range and standard deviation (nearest hundredth) of these scores. (d) Find the percentile rank of 78 (e) What percent of these scores are within 1 standard deviation...
3,2 The ollowing set of data is from a sample of n - 6: 74973 12 a. Compute the mean, median, and mode. b. Compute the range, variance, standard deviation, and coeffi- cient of variation. c. Compute the Z scores. Are there any outliers? d. Describe the shape of the data set.
We have these two datasets from a sample with 5 observations (n = 5): Monthly check fee at a bank ($): 20, 22, 15, 30, 26 Monthly service fee at a bank ($): 12, 0, 5, 7, 10 Calculate the following for each dataset (if you use Excel, be sure to explain the formulas): a) Measures of Central Tendency: Mean, Median, Mode b) Measures of Dispersion: Range, Standard Deviation, and Coefficient of Variation (CV)