rural well-to-do also 587 well-to-do families were those of farmers and out of them only having at least one graduate families 335 were those of farmers and 428 were mixed locality of these 1618 were farmers, 2015 well-to-do and 770 families were An investigation of 23713 household was made in an urban and graduate. obtain all the 156 were having at least one of their family members as ultimate class frequencies.

Q: Wind turbines are notorious bird killers. In the name of green energy, a study was conducted to…

A: by bartleby policy i can gives only 3 subparts answers at time

Q: Compute the median of 48, 37, 26, 53, 21, 37

A: Solution: The observation in increasing order is  21, 26, 37, 37, 48, 53 n= 6 observation  n is even…

Q: Suppose a veterinarian wants to estimate the difference between the proportion of cat owners who are…

A: The random variable is difference between the proportion of cat owners and the proportion of dog…

Q: survey 100 students, 81 use Facebook, 36 use google, and 20 use both. what percentage uses what

A: Let represent the set of students who use Facebook, represent the set of students who use Google+,…

Q: The following are ages of 18 of the signers of the Declaration of Independence. 35, 33, 40, 30, 45,…

A: Calculate 25th and 60th percentiles from the following…

Q: OMean (a) Which measures of central tendency do OMedian not exist for this data set? Choose all that…

A: Here the given data is in numeric form thus we can compute the mean.  Also the data can be arranged…

Q: At the college of science department in a university, 150 were surveyed and 20 of them were found to…

A:

Q: Approximately 1.55 percent of people ages 40-50 have breast cancer.* Suppose a person has a 86…

A: Probability is a chance of occurrence of any event.

Q: Randomly choose any 15 numbers ranging from ≥35 to ≤58, and represent the chosen data by…

A: A random number (RNo.) is a number which is chosen by chance from a given range of numbers or from a…

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: The 20 scores below were recored from a math test: 75, 64, 82, 68, 75, 73, 68, 78, 80, 97, 85, 68,…

A: Step-by-step procedure to obtain frequency distribution table using Excel: Select the data and go…

Q: 63% of the trees in a particular forest have a disease, 41% of the trees are too small to be used…

A: Given Information: 63% of the trees have a disease i.e., Ptrees have a disease = 0.63 41% of the…

Q: Which data set has a median of 25?

A:

Q: Assign the appropriate symbol to each number. A college has 3427 enrolled students. When 50 of them…

A: Here identify the sample statistics and population parameters from given information

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

A: N denote the total number of workers in the construction company = 20 Let n1 denote the number of…

Q: Thirty-five sophomores, 22 juniors, and 35 seniors are randomly selected to participate in a study…

A: Stratified random sampling: In stratified random sampling, the population is sub-divided into…

Q: . The number of songs fifteen students have on their MP3 players is: 120, 124, 132, 145, 200, 255,…

A:

Q: In an election poll Mark recieved 17, 576,866 votes what is the continous data

A: Continuous data is the set of data, whose values can take any value with in a finite or infinite…

Q: In a recent small survey of airline passengers, 27 said they had flown American in the last year, 23…

A: We will use  Addition theorem for  3 set

Q: If the five numbers summary of 700 observations are: 10,20,25,30,40 ,then the number of observations…

A: We have to find  the number of observations in between 10 and 30 =

Q: In Pakistan, thousands of graduates got degrees from different universities every year. Most of them…

A: Given Data : City Jobless Rate (%) Crime Rate (%) Karachi 14 3 Lahore 21 4 Islamabad 16 2…

Q: The two-way table on the left reveals the results from a different survey. This time adults and…

A:

Q: The median of these numbers: 3, 5, 7, 9, 11, 8, 3 is O a.5 Ob. None of these Oc4 Od.2 O e7

A: Given information- We have given a data set- 3, 5, 7, 9, 11, 8, 3 We have to find the median of the…

Q: O Mean (a) For these data, which measures of OMedian central tendency take more than one value?…

A: a)  the central tendency that can take more than one value is mode mode is the observation that is…

Q: 9 out of 15 teachers in a school staff meeting were first year teachers. What percentage of the…

A:

Q: 6 men and 5 women have signed up for a research study. Researchers must choose 4 people for the…

A: Here, 6 men and 5 women and choose 4 people for the control group contain at least one woman.

Q: 1 and 363 of the mothers surveyed said that it was difficult. The two samples were independently…

A: Answer x1 =439x2 =363n1 =832n2 =593

Q: mean from 45,34,56,32,33,45,67,65

A: We know that- Mean is the sum of the given number divided by the count of the numbers. Mean=Sum of…

Q: The following are ages of 20 of the signers of the Declaration of Independence. 60 , 39, 45, 38,…

A:

Q: Compute the median of 17, 59, 10, 48, 41, 39

A: Solution: The given data is 17, 59, 10, 48, 41, and 39. Arrange the data in an ascending order 10,…

Q: How large a sample ?n , is needed to get the common ±3±3 percentage point margin of error? Use the…

A: Here given Sample Size = 356 People who used a mobile device such as an Android phone or iPad during…

Q: If 471 households were surveyed out of which 385 households have internet fiber cable, what is the…

A: Among 471 households 385 households have internet fiber cable, therefore 471-385 = 86 households…