What type of sampling technique does this represent

Q: Convert score 46 to z-score if the mean is 40 and the standard deviation is 4.

A: The definition of a z-score is:   z = (X - μ) / σ    

Q: II. the probabilmies 1. P(0<z<1.44 ) 2. P(-2.81 <z<0) 3. P (z<-0.73 ) 4 P(-3.10 <z<1.90) 5. P(1.13 <...

A: 4)P(-3.10&lt;Z&lt;1.90)=?

Q: Calculate any measure of skewness for the following : No. of headless Matches in a Box : No. of Boxe...

A: Given data is  No. of headless matches in box 0 1 2 3 4 5 6 7 No. of boxes 12 17 29 19 8 4 1 0

Q: Illustration 11.4. Calculae the Karl Pearson's coefficient of skew- ness from the following data: Ma...

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Q: If the z-value is within the critical region, what should be done with the hypothesis?

A: Rejection rule:1) if the test statistic value  fall outside critical regionthen we fail to reject th...

Q: In Alpha College, students are required to join at least one school club to get extra-curriculum act...

A: Probability : Probability merely refers to however doubtless one thing is to occur. once we are unsu...

Q: 2. In the numbers {1, 3, 5, 7, 9} construct the following: a. List of possible sample size of 3 that...

A: The possible samples that can be formed from the {1,3,5,7,9} of size 3 are given as below: 3 5 7...

Q: A company wishes to test if the new software system installed improved the mean waiting time for a c...

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Q: 6. Let set E = {0,2, 4,6, 8,10} , F = {2,3,5,7,11} : a. Find P(E and F) b. Find P(E or P)

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Q: Determine the level of measurement of the following  1. Number of cars sold by local dealers in Ceb...

A: Here we have to explain whether the given measurement is ordinal, Nominal,Ratio, interval

Q: a)  From Life Cycle Cost (LCC) Analysis, would you Brand X or Brand Y crane? What is your recommenda...

A: 34 answers solution P11 Given that We are as a project engineer is decided to economic Justification...

Q: Draw a normal curve with u =57 and o = 16. Label the mean and the inflection points. Choose the corr...

A: Given that  The normal distribution with  Mean (μ) = 57  Standard deviation (σ) = 16   We know that ...

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds...

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Q: Suppose your favorite coffee machine offers 6 ounce cups of coffee. The actual amount of coffee put ...

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Q: Sind the range of weight of 10 students from the following : 41 11 14 65 . 73 84 53 35 71 55

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Q: The pass result of 50 students who took up a test is given below : Marks No. of students 4 5 10 6. 9...

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Q: We have two events, A and B. P(A) = 1/2 and P(B) = 1/3. Hint: Draw Venn diagrams to help you think a...

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Q: Suppose a life insurance company sells a $270,000 one-year term life insurance policy to a 19​-year-...

A: Formula for expected value :  Expected value= ∑xP(x) 

Q: Interviews, whether they be structured or semi/ unstructured, can sometimes be problematics. What fa...

A: Interview is a conversation where one participant asks questions and the other participant responds ...

Q: A problem in statistics is given to three students A, B and C, 1 1 whose chances of solving it indep...

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Q: i In a glass factory the task of quality control was done with the help of means (X) and standard de...

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Q: 5. Suppose that a student attending a class has an infectuous disease. Suppose that with probability...

A: We have given that  Let X be the number of people infected by the students.        X        0    ...

Q: The following are the 8 weights (kg) and blood glucose levels (mg/100mL) of 5 apparently healthy adu...

A: Given The data is as follows: Weight (x) Glucose (y) 75.3 109 73 104 59.4 79 95.7 121 8...

Q: 3. The two most common type of errors made by programmers are syntax errors and errors in logic. For...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

Q: At most, how many independent variables are in the COMPAS model? How many years did Propublica trac...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: A. Directions: Find the area under the standard normal distribution curve. Between z 0 and z 0.09 To...

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Q: Is Getting a suntan and getting a lot of junk mail Independent or Dependent?

A: The cause is that the variable. Its price is unaffected by the opposite factors in your study. The r...

Q: 4. Explain the RESET test as a general test for functional form misspecification and discuss the dra...

A: Model Misspecification Functional form misspecification generally means that the model does not con...

Q: Direction: Answer the following problem and show your complete solution. 1. Find the median scores o...

A: Note: If post contains multiple questions only allow to do first question as per guidelines of bartl...

Q: ii) Let T = where Z is a normal random variable and x2 is chi-square with n degree of freedom. Use a...

A: Given that Z~N0, 1 and Let W~χ2n. Then, the square root of W, W=W~ follows chi-square distribution w...

Q: of 7.9. What is the lower bound of the 95% confidence interval of the mean sodium content of the noo...

A: It is given that Sample size n = 9 Sample mean M = 208 Sample SD = 7.9 The critical value of t at df...

Q: Suppose that the quarterly sales levels among health care information systems companies are approxim...

A: Given :  μ = 10 σ = 1.1  

Q: In the recent civic election that took place in California, approximately 55.48% of voters voted in ...

A: Given that In the recent civic election that took place in California, approximately 55.48% of voter...

Q: Calculate mean from the following data : Midpoints 2 3 4 5 7 8 152 205 155 70 40 Frequency 2 60 101 ...

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Q: small-business Web site contains 100 pages and 60%, 30%, and 10% of the pages contain low, moderate,...

A: Total : 100 pages 60%low, 30%moderate and 10%high graphic content. Sample of 4 pages selected withou...

Q: Calculate the semi-interquartile range and quartile coefficient from the following : Age in years No...

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Q: čach of 20 lots of rubber belts contains 2000 rubber belts. Number of defective rubber belts in thos...

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Q: Define construct validity

A: There are many different measures that can be used to validate tests. Let CV denote Construct Validi...

Q: If 12 = 0-5, r31 = 0-3, r23 = 0-45, find R3-12.

A: Here use formula of correlation 

Q: followed for 24 months from date of diagnosis. Results are shown below for individuals who were cens...

A: Given the follow up data for 24 months from date of diagnosis as Time (Months) Event 2 D...

Q: 11. A skilled typist on routine work, kept a record of mistakes per day during 300 working days. The...

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Q: 5. [Facebookj An Internet survey asked 525 Facebook users whether the amount of time they spent usin...

A: Any assumption about the parameter or probability function is known as hypothesis testing. For the g...

Q: The overall differences between treatments is represented by the _________.

A: ANOVA is Analysis of Variance.

Q: operation are currently under consideration. Five workers were randomly selected for training in eac...

A: ANSWER :- Use the Excel And Perform the One way anova Followings are the steps to perform the One w...

Q: Notice that "Elevation" is listed under "Predictor." This means that elevation is the explanatory va...

A: Here use given information of minitab output 

Q: A random sample of 90 observations produced a sample mean of 25.9 and a sample standard deviation of...

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Q: The mean SAT verbal score is 473, with a standard deviation of 96. Use the Empirical Rule to determi...

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Q: Parents Did Not Smoke Parents Total Smoke Child Smokes 25 84 109 Child Does Not Smoke 51 64 115 Tota...

A: The objective is to calculate Caremer's  V for given data.

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the h...

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Q: Consider a regression setting with input data XER® following a Gaussian distribution X~N(4, E). The ...

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