4. A medium-sized company characterized their employees based on the sex of the employee and their length of service to the company. The results are summarized in the table below. Years Employed 0-5 6-10 11-20 > 20 Total Male 25 20 15 65 Sex Female 30 25 10 65 Total 55 45 25 130 What proportion of the employees are male or have been employed for less than 11 years?
Q: a) Is the data for Facebook time series or cross-sectional? b) Comment on the trend between age and…
A: Provided information is, Bar graph of social media users according to age group is given. a) Time…
Q: please help me find, The relative frequency of workers who took 10 or fewer sick days, The…
A: Given that Number of days = X Frequency = F 1-5 120 6-10 65 11-15 14 16-20 1
Q: ive hundred first-year students at a state university were classified according to both high school…
A: Comments: Since you have posted question with multiple subparts , we will solve first three…
Q: 8. The Website reddit.com had its subreddit /r/movies users submit review scores for "Candyman…
A: Solution: From the given information,
Q: Example 22. Out of 50 examinees, those passing the Examination are shown below. If the average marks…
A:
Q: It has been observed that social media has been very attractive to the millennials and has been used…
A: Given data of attention time: 20.5 3.4 20.7 12.1 2.9 21.5 5.4 32.0 32.6 35.6 12.9 33.1 14.0…
Q: The Fish and Game Department stocked a lake with fish in the following proportions: 30% catfish, 15%…
A: a) The proportion of Catfish, Bass, Bluegill and Pike in the Lake are 30%, 15%, 40%, and 15%,…
Q: What is the sampling distribution of x when µ = 0? Normal with mean 0 and standard deviation 60.…
A: The population mean is 0.
Q: 1.- The following data are the top 40 men's finish times (rounded to nearest minute) in the 2022 LA…
A: The given data is related to top 40 men's finish times in the 2022 LA marathon Total no.of men's…
Q: / Sp8. A company launched a sales campaign and appointed 110 salesmen for this purpose. At the end…
A:
Q: 3. A researcher is interested to see if driving efficacy self-ratings are related to unsat driving…
A: Given: n = 9 Formula Used: r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2
Q: 38. The average marks of Median is 44.4 and Mode is 46.6 of 80 students in a class. Find the missing…
A:
Q: Estimated Population In the 20th year is
A:
Q: C6. The following cross-tabulation, based on GSS18SSDS-B data, examines the relationshin between age…
A: Hi! Thank you for the question, as per the honor code, we are allowed to answer three sub-parts at a…
Q: The following table lists the number of passengers (according to class of ticket) and crew who were…
A:
Q: 1) what proportion of students scored above student 33 on homework 3? 2) what proportion of students…
A: Given: Student ID HW 1 HW 2 HW 3 1 98 93 99 2 81 80 64 3 66 91 75.5 4 84 94 80 5 65…
Q: Ministry of Human Resource conducts an annual salary online survey of accounting, finance, and…
A: t test
Q: The average gestational age (time from conception to birth) of a newborn infant is 40 weeks. The…
A: (a) The value of correlation between the age and birth weight is 0.9704 and it is calculated by…
Q: 29. Calculate mode from the following data of the number of children in different families in…
A:
Q: 15. What is the value of the mode when all values in the data set are distinct? A. Zero B. None C.…
A: Know that Mode = most frequent value of the data set.
Q: a researcher wants to determine how employee salaries at a certain company are related to the length…
A: Given:
Q: You are interested in knowing the number of crimes that a sample of active offenders engaged in the…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Workers at an aluminium plant are placed into categories based on their duration of exposure, (in…
A: 1) In the given situation, the testing is based comparing the relationship between two categorical…
Q: The following table divides the employees at a company into catego according to their ages.…
A:
Q: 3. The list shows the ages of 25 adults selected at random from the audience of a jazz band concert…
A:
Q: 1. A researcher is interested in the relationship between test anxiety and study time on test…
A: Put the data in an Excel or CSV file.Go to the hamburger menu in the top left corner. Select…
Q: 14. The value that occurs most often in a set of data is called O A. Mean O B. Mode O C. Median O D.…
A: Know that Mean = sum of all observations/total number of observations. Median = middle value of…
Q: The table reports the number of weekly death according to age groups and their total for the past…
A:
Q: Imagine that you were hired as a consultant by a local business owner to help her determine how many…
A: Given : Claim : on average, workers in the United States take 14 paid days off per year.
Q: low is to be
A: Given that Number of classes = 5 Next we find minimum and Maximum value using Excel function…
Q: Age (Years) Less than high school High school graduate Some college College Degree graduate 15 to 17…
A:
Q: Suppose the following table gives the extra travel time each year, in hours, for peak-period…
A: We have given the details of the extra travel time each year, in hours, for peak-period travelers in…
Q: a. Construct a frequency distribution table. b. Sketch a histogram showing the distribution. c.…
A: Given data 8 6 7 5 4 10 8 9 5 7 2 9 9 10 7 8 8 7 4 6 3 8 9 6
Q: Hospital Length of Stay (months) for 16 Patients 1 10.5 10.0 2 4.5 2.0 3 7.5 4.0 4 12.0 11.0 5 7.5…
A: Data given X=10.5,4.5,7.5,12,7.5,9,6,5,6,12,7,4.5,3.5,6,7.5,3…
Q: How many wolves were there in 1980?
A: The given graph is
Q: The number of sick days taken (per month) by 200 factory workers is summarized below. Number of Days…
A: Answer: Using the given data, Total frequency = 200 By the given frequency distribution,
Q: (a) What proportion of the statistics students in this class is sophomores? (b) What proportion of…
A: The 94 students in a statistics class are categorized by gender and by the year in school. The…
Q: 1.0 0,9 0.8 8,7 8,6 Cunulative Relative Frequency- 0,5 8.4 8,3 0.2 8,1 10 15 20 Values Based on the…
A:
Q: a. Fix the errors in Table 1.15. Also, explain how someone might have arrived at the incorrect…
A: The data is given on the number of years immigrants lived in the US.Given that, Sample size The…
Q: 15. Test Match. Sachin Tendulkar, a former cricket player of India played International cricket from…
A:
Q: 4) The table shows, for the years 1997–2012, the mean hourly wage for residents of the town of Pity…
A: Consider, mean hourly wages are denoted by X and mean weekly rent by Y.The provided data can be…
Q: C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 3 images
- Adela Noriegam, a researcher wants to determine how employee salaries at a certain company are related to the length of employment, previous experience, and education. The researcher selects eight employees from the company and obtains the following data: Employee Salary,y Employment (in yrs), x1 Employment (in yrs), x2 Employment (in yrs), x3 A 57310 10 2 16 B 57380 5 6 16 C 54135 4 1 12 D 56985 6 5 14 E 58715 8 8 16 F 60000 20 0 12 G 59400 9 4 18 H 60720 15 7 17 What is the regression equation? Leave your answer in 2 decimal places Y = ()+() +() +O O O Less than 8 8. A sample of 400 Goshen households is selected and several variables are recorded. Which of the following statements is correct? * O Total household Income is a ratio level data. Socioeconomic status (recorded as "low income", "middle income", or "high income" is nominal level data. O The number of people living in a household is a continuous variable. O The primary language spoke in the household is ordinal level data.Number of ChildrenTable 1 shows the number of women (per 1000) between 15 and 50 years of age who have been married grouped by the number of children they have had. Table 2 gives the same information for women who have never been married.1 Number of Children Women per 1000 0 162 1 213 2 344 3 182 4 69 5+ 32 Table 1 Women who have been married Number of Children Women per 1000 0 752 1 117 2 72 3 35 4 15 5+ 10 Table 2 Women who have never been married 1http://www.census.gov/hhes/fertility/data/cps/2014.html, Table 1, June 2014. Condition gt requires numbers instead of "null" and "0" (a) Without doing any calculations, which of the two samples appears to have the highest mean number of children? Women who have been marriedWomen who have never been married Which of the distributions appears to have the mean most different from the median? Women who have been marriedWomen who have never been married…
- 3. Calculate mean and median of the following. Income (Rs) 10-20 20-30 30-40 40-50 50-60 60–70 No. of workers: 15 20 20 10 5What is the median9. Find the Association between Literacy and Unemployment from the following figures : Total Adults Literates Unemployed Literate Unemployed. Comment on the result. 10,000 1,290 1,390 820
- 3. Eight different aged patients are tested on their sugar levels in a laboratory to know whether there is any relationship between the age and blood sugar level. Using appropriate method, analyze the following data and give your comments on the same. Patients 10 15 20 25 30 35 40 45 Blood- 70 85 110 180 125 100 180 120 Sugar levelThe racial/ethnic diversity of post high school students enrolled at MVCC during the fall 2020 semester is given below. Racial/Ethnic Diversity of Post High School Students Race/Ethnicity Percent* American Indian or Alaska Native 0.4% Asian 5.3% Black or African American 9.6% Hispanic or Latino 9.6% Two or more races 2.8% Native Hawaiian or Pacific Islander <0.1% Non-Resident Alien 0.5% Unknown 1.5% White 70.2% (*Percentages may not total 100 due to rounding) What is the race/ethnicity of the majority of students at MVCC? What total percent of students were either Black or African American or Hispanic or Latino? There were 3,444 students enrolled at MVCC at the time of the study. How many (not percent) students were Asian? (The answer must be a whole number.)3) Estimate the average number of years they stay at their current house for all citizens living in that area.
- The racial/ethnic diversity of post high school students enrolled at MVCC during the fall 2020 semester is given below. Racial/Ethnic Diversity of Post High School Students Race/Ethnicity Percent* American Indian or Alaska Native 0.4% Asian 5.3% Black or African American 9.6% Hispanic or Latino 9.6% Two or more races 2.8% Native Hawaiian or Pacific Islander <0.1% Non-Resident Alien 0.5% Unknown 1.5% White 70.2% (*Percentages may not total 100 due to rounding) Is race/ethnicity a qualitative or quantitative variable Is the data displayed in a frequency or relative frequency distribution?Q1) Case Study A survey was conducted to research the question whether more home runs are hit by players in the National League or by players in the American League. A Researcher decide to use the home run leaders from each league for a 40-year period as data. The numbers are shown. [6] National League 47 49 73 38 50 40 65 47 70 49 47 40 43 36 46 35 39 49 37 37 40 37 31 48 48 45 52 38 38 52 36 44 40 48 45 45 36 39 44 47 American League 47 57 52 47 48 56 56 52 50 40 46 43 39 44 51 36 42 49 49 40 43 32 39 22 41 45 46 39 32 36 32 32 37 33 44 49 44 44 49 32 (i) Define a population (ii) what kind of sample was used (iii) do you feel that it is representative (iv) what are your hypotheses? (v) what significance level will you use? (vi) what statistical test will you use? (vii) what are the results? (Assume sigma1 = 8.8 and sigma2=7.8) (viii) 95% CI? (ix) Decision (x) Conclusion (xi) Do you feel that using the data given really answers the original question asked? (xii) what other data might…company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 155 26 19 123 36 215 61 667 35 69 United States P/E Ratio 14 21 21 45 28 11 26 11 26 39 13 11 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and ? = 0.01 to support your conclusion. Find the value of the test statistic. W = Find the p-value. (Round your answer to four decimal places.) p-value =