5. The Mean value of sales of 6 branches is 8500 OMR, find out the missing sales of IZKI branch from the following. Student Nizwa Samail Bahla Izki Manah AL Hamra Marks 11200 6400 8900 10200 7500

Q: Suppose the degree of student in exams was (70,57,60,75,80,58,90), calculated mean for grouped data…

A: See the attachment

Q: o researchers, the mean length of imprisonment for motor-vehicle-theft offenders in a nation is 15.1…

A:

Q: 3 Calculate the Standand deviationA 25 vand to hundredths. 16/719

A: Concept : The standard deviation of a data is σ = 1N∑i=1i=Nxi-μ2    where xi is given data and N is…

Q: 3.) I want to estimate the mean number of minutes that a 7-year-old watches TV daily. How many kids…

A: We have to find sample size....

Q: 15. The purpose of statistical inference is to provide information about the mean of the sample…

A: Here, we use the concept of statistical Inference.

Q: According to Financial Executive, disability causes 48% of all mortgage foreclosures. Given that 20…

A: Population mean in case of proportion is given by = np Where  n= sample size p=proportion

Q: According to a college survey,22% of all students work full time. Find the mean for the number of…

A: Given data,p=22%=0.22n=16Mean(μ)=?

Q: 32. According to the National Automobile Dealers Association, the mean price for used cars is…

A: x¯=∑i=1n xin=48750050=9750 Sample sd=s=∑i=1n xi-x¯2n=9603985050=1385.9282

Q: 1. Astudent obtained the following scores in twelve 100-item assignments: 94 93 91 90 86 86 90 98 85…

A: 1. a. Mean score in the assignments: Mean=sum of valuesNumber of values…

Q: Compute the mean of 26, 66, 38, 10, 27, 81.

A: mean=∑Xii=1nn

Q: The mean monthly starting salary for 12 randomly sampled business school graduates is Php35400. If…

A: The mean or average of a sample is computed by dividing the sum of observations by the total number…

Q: 1. On the first day of finals, 20 students at La Platta College were selected at random. They were…

A:

Q: ccording to the manufacturer of M&Ms, 12% of peanut M&Ms in a bag should be brown, 15% yellow, 12%…

A: Solution: Given information: n= 400 total observation k= 6 category   The expected frequency or…

Q: 13. The class size of this frequency distribution is 6. MUKHANG TAMA SEEMS WRONG

A: We have given that the statement about to the frequency distribution. Here, need to find out the…

Q: Suppose that we know that 33.8% of the people born in the United States between 1936 and 1951 have…

A: The given situation follows binomial distribution. The proportion of people born in United States…

Q: 2. Find the approximate x value using 3, 6, 9 and 12 significant figures using the chopping…

A:

Q: 12 - Prove that the sum of the deviations of the values from their arithmetic scale for classified…

A: Arithmetic scale or arithmetic mean,  means that sum of the all the Values divided by total number…

Q: What is the mean for the combined set if both of the original samples have n = 4 scores? What is the…

A: Given that For sample 1, mean M1 = 8 For sample 2, mean M2 = 16

Q: 1. Linda wants to determine the average salary for her employees for her Bakery business. Recorded…

A: = Total salary of employees No of employees        =   32000 + 31000 + 45600 + 25500 +…

Q: 8. For the date 4, 16, 20, 24, 38,57,59,60,60,74, compute the 10% trimmed mean.

A: Given data :  4,16,20,24,38,57,59,60,60,74 n = 10

Q: 2. Compute the mean for the difference scores.

A: First we have to calculate the difference in scores for each participants.

Q: Let the sample mean of a set of 20 data points be 30. If it is discovered that a data point having…

A: Given: n=20incorrect x¯=30incorrect value=15correct value=25

Q: We compute the mean age of all individuals in the population as 47 years. We draw a large number of…

A: Solution Given the researcher compute the mean age of all individuals in the population as 47 years.

Q: Calculate the mean, median and standard deviation of these five numbers: 7, 19, 5, 12, 3

A: Mean: For a set of n observations, x1, x2, ... , xn, mean is defined as,…

Q: 1.      The mean work week for a new engineering company is approximately 60 hours. A recently hired…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: Consider the following data set: 9, 8, 6, 11, 5, 9, 7, 6, 3, 10, 11, 9, 9, 6, 10, 7, 8, 9, 5, 9…

A: Given- Consider the data; 9, 8, 6, 11, 5, 9, 7, 6, 3, 10, 11, 9, 9, 6, 10, 7, 8, 9, 5, 9 To Find-…

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: We have given that the mean score of test of all the ninth graders from the three school's of the…

Q: A construction company has twenty workers. The company classified the workers into two groups:…

A: Let x denote the number of skilled workers and y denote the number of semi-skilled workers. Using…

Q: ou intend to estimate a population mean μ from the following sample. 35.9 51 45.2 56.2 56.1 48.2…

A: Obtain the 90% confidence interval to estimate the population mean.   The 90% confidence interval to…

Q: 50, the mean number of partners reported was 1.049 (sd=1.89). Is it reasonable that the mean number…

A: here sample size  = 3636         sample mean  = 1.049         sample standard deviation = 1.89 here…

Q: 6. The mean marks of 100 students were found to be 40. Later on it was discovered that a score of 53…

A:

Q: 1. Suppose the Department of Energy in the Philippines surveyed 200 gasoline stations to determine…

A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…

Q: ppose you are interested in testing whether the mean earning of men in California differs…

A: It is given that n1 is 123 and n2 is 88.

Q: 1. Suppose the Department of Energy in the Philippines surveyed 200 gasoline stations to determine…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: People suffering from hypertension, heart disease, or kidney problems may need to limit their…

A:

Q: People suffering from hypertension, heart disease, or kidney problems may need to limit their…

A: Mean is avearge of numbers or set of data. Standard deviation is reflects variability in a…

Q: 1- The number of semester credit hours for seven part-time college students i 8, 5, 4, 10, 8, 3, and…

A: Given data is appropriate for measures of central tendency. Arithmetic mean is nothing but it is…

Q: 5. A federal auditor for nationally chartered banks from a random sample of 100 accounts found that…

A: Given: n=100 Sample mean X¯= $549.82

Q: b) The request for the calculation of the largest amount spent by 50% of females implies the…

A: Here largest amount spent by 50% females is median of the given data set.  And median is given by…

Q: 3. A principal wishes to estimate the average number of hours students spend doinghomework per…

A: Given that  The standard deviation of the previous study (σ) = 4.5 hours Confidence level (C) = 95%…

Q: Suppose that 50 measurements were taken and the mean was calculated to be 4.55. Assume next that one…

A:

Q: 9. A set of data consists of 230 observations between $235 and $567. What ciass interval would you…

A: Given information N = 230 observations between $235 and $567 27 = 128 < 230 28 = 256 > 230 So,…

Q: Compute the mean, median, and mode time. 68.3, 72.9, 90.7, 111.6, 128.4, 98.1, 94.7, 122.2

A: mean- the mean (average) of a data set is determined by adding all numbers in the data set and then…

Q: 4. Suppose that only 10 students in Nabatieh campus had taken the midterm. Which of the following…

A: We know that, here  n= 10 (even) So median=(n/2 +(n/2+1)th term)/2 = (5th +6th term)/2

Q: Monthly salary computations from two different clothing companies yielded the following data: n=7,…

A: Denote μ1, μ2 as the population average monthly salaries for companies 1 and 2 respectively.

Q: The Tampa Bay (Florida) Area Chamber of Commerce wanted to know whether the mean weekly salary of…

A: There are two independent samples which follows normal distribution. We have to test whether the…

Q: A company has 14 employees with a salary of $21.100 , 12 employees with a salary of $23.900. 17…

A: Mean = sum of observations/ total no. Of observations

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: Mean: Mean is defined as the ratio of sum of all observations to the total number of all…

Q: For fast-food restaurants, the drive-through window is an important revenue source. The fast-food…

A: Given that For fast-food restaurants, the drive-through window is an important revenue source. The…

Q: 3. The following data are the number of burglaries reported for a specific year for fifteen Metro…

A: Given data set is: 30,18,3,7,61,11,1,3,2,12,15,11,13,14,11 Rearranging the given data set: 1, 2, 3,…