The mean height of 25 male workers in a factory is 61 inches and the mean height of 35 female workers in the same factory is 58 inches. Find the combined mean height of 60 workers in the factory.

Q: The failure rate for taking the bar exam in Philadelphia is 41%.  If 375 people take the bar exam,…

A: Given that, The failure rate for taking the bar exam in Philadelphia is 41%  i.e. probability, p =…

Q: In elementary statistics, how do you calculate class width? I don't understand it.

A: According to the given information in this question We need to find that how we calculate class…

Q: A union restaurant and food-services worker would like to estimate the mean hourly wage.

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Q: In a large data set, the 49th percentile is 523 and the 71st percentile is 675.  About what…

A:

Q: A Seattle consumer agency believes that plumbers’ rates are too high and wants to estimate the mean…

A: GivenConfidence Interval(c)=95%Margin of Error(E)=3%=0.03Let…

Q: Find the raw score for 99% with a population mean of 29 and σ of 4

A:

Q: The mean width of 12 iPads is 5.1 inches. The mean width of 8 Kindles is 4.8 inches. What is the…

A: The mean width of 12 iPads is 5.1 inches. and The mean width of 8 Kindles is 4.8 inches. What is the…

Q: Akiko surveyed several friends, asking them how many siblings they had. Use this data to find the…

A:

Q: The mean monthly electric bill for 132 residents of the local apartment complex is $86. What is the…

A: The best point estimate for a population mean is defined as the sample mean itself. Therefore the…

Q: The mean weight of 32 math students is 42.6 kg. If the students could all stand on the scale…

A: Given that ; The mean weight of 32 math students is 42.6 kg. If the students could all stand on the…

Q: The Bookstall Inc. is a specialty bookstore conc ardcover books are $3.50. Of the 50 books so What…

A:

Q: On five exams, Rachel has a mean score of 80 points. Her lowest score was 50.  If this score is…

A:

Q: The U.S. Census Bureau says that 52-question 'long form' received by households during 2000 census…

A: let the sample mean be = 36.8 and let the sample standard deviation = 4

Q: Mr. Gomez travelled 525 km in 6 h. a) What was the mean distance travelled in 1 h?

A:

Q: The test scores for five students were 59, 60, 63, 76, and 87. How many points greater than the…

A: The mean is the average of all the values, or it is the sum of all the values divided by the number…

Q: Juan scored 10 points higer on his midterm and 47 points higher on his final than he did  on his…

A:

Q: The mean salary of twelve men is $52,000, and the mean salary of four women is $85,000. Find the…

A: From the given information,

Q: Is it more likely to hit the area in white or blue and by how much?

A: The area of the square is= 18×18=324  square inch The radius of the circle is= 2+3+3=8 inches So the…

Q: The mean salary of twelve men is $55,000, and the mean salary of four women is $85,000. Find the…

A: Mean or Average :

Q: The mean weight of five complete computer stations is 163 pounds. The weights of four of the…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: What percentage of scores are between scores 75 and 89?

A: By emperical rule  P(-1<Z<1)= 0.68 P(-2<Z<2)=0.95 P(-3<Z<3)= 0.

Q: The scores of the top ten finishers in a golf tournament are listed as: 65, 66, 67, 66, 67, 70, 67,…

A:

Q: 2) The mean weight of 32 math students is 98.3 lbs. If the students could all stand on the scale…

A: Solution 2 Xbar=98.3, n=32, total weight=∑i=1nXi=?

Q: The Taylors have recorded their weekly grocery expenses for the past 16 weeks and determined that…

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Q: the mean number of people who attended three basketball games was 8648, what was the total…

A:

Q: Determine the statistical relationship between the average answer time (seconds) and the average…

A: Simple linear regression model: A simple linear regression model is given as y = b0 + bx, where y is…

Q: The average salary of male employees in a firm was $520 and that of females was $420. The mean…

A: We have given that  The average salary of male employees =$520 And the average salary of females…

Q: The mean height of 45 students of a class is 60" and the mean height of 55 students of another class…

A:

Q: If the mean number of people who attended four basketball games is 7380​, what was the total…

A:

Q: In a survey, the median household income in a country was found to be £27000, and the mean household…

A: Given: Mean=53000Median=27000

Q: find third quartile   105,108,110,110,112,120,140,150,180

A:

Q: the mean weight of five complete computer stations is 167.2 pounds. The weighs of four of the…

A: If we have 5 observations x1,x2,x3,x4,x5, then the mean is given by M=x1+x2+x3+x4+x55

Q: find 2 decile of the data  12,15,16,2,12,20,15,42,32,6,52,32,14,15,17,19,1,6

A:

Q: The mean salary of twelve men is $57,000, and the mean salary of four women is $87,000. Find the…

A: The provided information are: Mean salary of 12 men = $57000 Mean salary of 4 women = $87,000 The…

Q: Explain about the Mean Difference Score.

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Q: doesn't the mean of a sample population equal the true proportion?

A: Yes, the sample population is equal to true proportion.

Q: The mean salary for 24 factory workers is ₱12 000. How much will one additional salary of ₱37 000…

A:

Q: A scientist studying babies born prematurely would like to obtain a n estimate for the mean birth…

A: It is given that confidence level is 0.99, standard deviation is 2.5 and the margin of error E is…

Q: In a sample of 20 men, the mean height was 178 cm. In a sample of 30 women, the mean height was 164…

A:

Q: The mean daily wage for 9 construction workers is ₱400. How much will one additional daily wage of…

A: Given that The mean daily wage for 9 construction workers is ₱400.  We have to find How much will…

Q: Suppose that the mean score of a class of 34 students was 78. The 17 male students in the class had…

A: The mean score of class of 34 students was 78.

Q: A sample of students involved in laboratory accidents was categorized by age. The results appear as:…

A:

Q: find first and third quartile of data   101,106,08,120,142,156,189,254,256,289,300

A: Given data is101,106,08,120,142,156,189,254,256,289,300Arrange the data in Ascending…

Q: The mean weight of 15 wrestlers is 110 kgs. The mean weight of 5 of them is 100 kgs and another 5 is…

A: Given that, the mean weight of 15 wrestlers is 110 kgs. The mean weight of 5 of them is 100 kgs and…

Q: The national profession exam for registered nurses, the NCLEX, has pass a rate of 85% for the first…

A: According to the given information in this question It follows binomial distribution with parameters…

Q: The mean height of a class of 28 students is 162 cm. A new student of height 149 cm joins the class.…

A: Mean Mean is generally represented as the total sum of all observations divided by the number of…

Q: A skateboarder descends on a ramp from 172 feet to 67 feet in 15 seconds. What is the mean change in…

A: Solution

Q: Suppose you go to the grocery store and spend $61.85 for the purchase of 14 items. What is the mean…

A: 6. The mean is the average value of the data set and is computed by summing up all the observations…