50. 34. A sample was taken of the salaries of 20 employees of a large company....
A sample was taken of the salaries of 20 employees from a large company. The following are the salaries (in thousands of dollars) for this year (the data are ordered): 28, 31, 34, 35, 37, 41, 42, 42, 42, 47, 49, 51, 52, 52, 60, 61, 67, 72, 75, 77. Suppose each employee in the company receives a $3000 raise for next year (each employees salary is increased by $3000). The interquartile range of the salaries will A) increase by...
QUESTION 6 A sample was taken of the salaries of 20 employees of a large company. The following s a boxplot of the salanes (ün thousands of dollars) Reference Ret 1-10 Based on this boxplot, which of the following statements is true? A. About 10 employees make over S 50,000. O B. All of the answers are correct. O c. The salary distribution is fairly symmetric. O D.Nobody makes over $80,000.
Sample annual salaries (in thousands of dollars) for employees at a company are listed. 40 33 54 52 28 28 40 33 54 27 52 40 45 a. Find the sample mean and sample standard deviation. (b) Each employee in the sample is given a $22000 raise. Find the sample mean and sample standard deviation for the revised data set. (c) Each employee in the sample takes a pay cut of $55000 from their original salary. Find the sample...
Questions 7-10 refer to the following: The heights (in cm) of a sample of plants grown with different fertilizers (or no fertilizer) are summarized in the side-by-side quantile boxplots shown below. A numerical summary of each 40 30 20 10 0 No Fertilizer GrowFast SuperPlant n min Q1 median Q3 max meand dev 30 3 14 21 25 28 18.8 6.1 GrowFast 25 12 18 23 28 35 23.2 4.3 SuperPlant 20 15 19 23 30 38 25.3 52 No...
Sample annual salaries (in thousands of dollars) for employees at a company are listed 49 34 58 60 37 37 49 34 58 27 60 49 42 (a) Find the sample mean and sample standard deviation (b) Each employee in the sample is given a $5000 raise. Find the sample mean and sample standard deviation for the revised data set. (c) Each employee in the sample takes a pay cut of $5000 from their original salary. Find the sample mean...
The weekly salaries of full-time and part-time employees at a company are listed on the table below. Select the statement that is TRUE. O The interquartile range is calculated by adding the first quartile with the third quartile. The interquartile range is the average value of a data set. O The interquartile range covers 100% of a data set. O The interquartile range is calculated by subtracting the first quartile from the third quartile. Weekly Earnings Full Time Part Time...
Women’s salaries (thousands of pounds) Men’s salaries (thousands of pounds) Min 22 26 Median 26.5 30.5 Max 33 36 Mean 27.1 31.7 SD 3.4 3 IQ range 6 3 Range 11 10 a (ii) Is this an example of continuous or discrete data? (iii) Use the two measures of location to say which gender has the er salary on average (iv) Use all three measures of spread to say which gender has the greater variability in their salary (b) (i)...
Salary information regarding male and female employees of a large company is shown below. Male; Female Sample Size: 64; 36 Sample Mean Salary (in $1,000): 44; 41 Population Variance: 128; 72 Show work please: 1.) the p-value is? 2.) At 95% confidence, the conclusion is the a. salaries of males and females are equal b. average salary of males is significantly lower than females c. average salary of males is significantly greater than females d. None of these alternatives is...
EXAMPLE ONE - Keep-or-Drop Decision Petoskey Company produces three products: Alanson, Boyne, and Conway. A segmented income statement, with amounts given in thousands, follows: Alanson Boyne Conway Total Sales revenue $1,280 $185 $300 $1,765 Less: Variable expenses 1,115 45 210 1,370 Contribution margin $165 $140 $90 $395 Less direct fixed expenses: Depreciation 50 15 10 75 Salaries 95 85 108 288 Segment margin $20 $40 $(28) $32 Direct fixed expenses consist of depreciation and plant supervisory salaries. All depreciation on...
Personal Income per Capita by State Cumulative frequency 50 40 за 20 10 48 15 34 15 Per capita income $1000) 27.5 32.5 375 42.5 475 52.5 (i) Ogive Showing Cumulative Percentage of Data Personal Income per Capita by State Percent of states 100% 100 90 80 70 60 50 40 30 20 10 96 30 Per capita income (S1000) 27.5 325 37.542.5 475 52.5 (a) How were the percentages shown in graph (i) computed? 0 The percentages in graph...