1. A certain university has a population of 6,000 students distributed into 8 courses and four-year levels. If you would like to determine the sample with consideration to gender balance, what sampling technique is appropriate to be used? Justify your answer. Answer

Q: (1) What is the explanatory variable? (2) What is the response variable?

A: The explanatory variable is the one which is used to predict the response variable. It is also known…

Q: Consider the following portion of data that lists the starting salaries (in $1,000) of newly hired…

A: by bartleby policy i can given only 4 subparts answers From given data we have ; N=11 Salary=x GPA=y…

Q: Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is…

A: Concept: Upper and lower class limit is the highest and lowest value that can be taken in an…

Q: (A) Variance relates to how the values in the data set are positioned relative to each other. (B) A…

A: Variance is one of the measures of dispersion or spread.

Q: Here is a data set: 47500 60000 30400 34900 53900 42400 33300 51100 37800 61700 48400 32400 29700…

A: Given: Number of classes k=10 Required: To find the best class width and the first lower class…

Q: Question: A given normal ditribution has the following pdf: 1 2√/2TT fx(x) What is the value of o²?…

A: Normal distribution is also known as gaussian distribution. It has two parameters, they are mean and…

Q: PM n = 134, o = 4.6, a = 1 -0.01 = 0.99, Z hundredth) Find E = Z0.495 Find 7.3 +E= Find 7.3- E - σ…

A: given data n=134 σ=4.699% CIα=1-0.99=0.01

Q: Code 39 is a common bar code system that consists of narrow and wide bars (black) separated by…

A: Given information: Number of character to be used in one code = 9 Number of bars to be used in one…

Q: Complete the histogram for the x data below. Assume the possible x values range from 0 to 5. The…

A: The possible x values are 0 to 5.

Q: In the search for a cure for the Coronavirus, it is important to determine what proportion of the…

A: It is given that Sample size n = 1200 Number of Americans have antibodies, X = 750 Level of…

Q: is 6% is your standard deviation?

A: Given according to question Sample size(N)=? Confidence =95% Margin of error = 5% Now question says…

Q: Intelligence as measured by IQ score 136 is best described as

A: We measure a variable in nominal scale if underlying data takes categorical values and there is no…

Q: The viscosity of a liquid detergent is supposed to average 800 centistokes at 25°C. A random sample…

A: given data n = 16 x¯ = 812σ = 25claim : μ=800

Q: Let Y₁, Y2,..., Yn be a random sample from the inverse Gaussian distribution with probability…

A: Given density function, fy,μ,λ=λ2πy312e-λ2yμ-1y2 if y>0 a) Likelihood function: L=∏i=1nfy…

Q: The following data represent the miles per gallon for a particular make and model car for six…

A:

Q: Create a 99% confidence interval of the number of calories in 3 ounces of french fries  based on a…

A:

Q: What is the probability that the US and China go to war this century? Please state your probability…

A: Probability of US and China going to war is 0. Atlesst for this century. So there is 0% chance that…

Q: (A) Temperature as measured in degrees Fahrenheit is Ordinal (B) Temperature as measured in degrees…

A: The scale of measurement, in which the order or relative ranking of the variable is taken into…

Q: Twenty observations on etch uniformity on silicon wafers are taken during a qualification experiment…

A: Given: Sample size n=20 5.34, 6.65, 4.76, 5.98, 7.25, 6.00, 7.55, 5.54, 5.62, 6.21, 5.97, 7.35,…

Q: Compute and interpret the coefficient of multiple correlation. Number 4 answer is missing.

A: Correlation coefficient measures strength of relationship between two variables. The coefficient of…

Q: R5.31. Wealth redistribution 2015 The following table is based on a Gallup Poll of 1015 U.S. adults…

A: The question is about categorical data analysis Given :   To test : Association between income…

Q: Determine the magnitude of the vector difference V¹ = V₂ - V₁ and the angle 0x which V' makes with…

A: Here,

Q: In an effort to understand the feelings of American adults about the government, one thousand…

A: Given that:  When a random sample of 1000 American adults, i.e., n=1000, was asked if they approved…

Q: (A) The population [N] and the sample [n] are similar in that they should be comprised of people…

A: Population represents all the units involved in a study and the sample represents a part of…

Q: A concrete mix is designed to withstand 3000 pounds per square inch​ (psi) of pressure. The…

A: The following data has been given: 3970,4100,3100,3200,2950,3820,4100,4050,3470 We need to compute…

Q: For each statement,write true  or false {0,2,6}={6,2,0} {2,3,4}=[2,4] {x∈R:0≤x≤6}=[0,6]…

A: Given statements are {0,2,6}={6,2,0} {2,3,4}=[2,4] {x∈R:0≤x≤6}=[0,6] {n∈Z:0≤n≤6}=[0,6 note:R={real…

Q: Given the information below, which of the following is WITHOUT DOUBT, absolutely true. Legend: m =…

A: Mean is the average of all the data. Standard deviation is the measure of dispersion which measure…

Q: What is the difference between the following two regression equations? y=b₂ +b₁x y=Bo+Box Choose the…

A: Given that  Two regression equation one is sample and other is population regression equation.

Q: dispensing pours auses a spill and the can needs to go through a special cleaning process before it…

A: Given that Machine pours of soda follows normal distribution with standard deviation is 0.22 σ=0.22…

Q: Blood pressure values are often reported to the nearest  5 mmHg (100, 105, 110, etc.). Suppose the…

A: Given: Sample size n = 9 Formula Used: Median = 2(n+1)4thterm

Q: The Paramount Paper company produces paper from wood pulp ordered from a lumber products firm. The…

A: Given: Mean μ = 9000 Standard deviation σ = 1900 Lead time = 8 days Probability = 2% = 0.02 Formula…

Q: Read and Understand "A look at the descriptive statistics for males and females show that male…

A: In the first que it is clear that the variance of females is higher than the variance that of males.…

Q: Use a numerical integration command on a graphing calculator to find the indicated probability. The…

A: Let X be the weight of 5 years old boy  Mean μ=41, standard deviations σ=6 X~N(μ=41,σ=6)…

Q: A Frequency Distribution is shown in the image below. Use the frequency distribution to determine…

A: As per guideline expert have to answer first question only since I had done all for you please…

Q: (6) A student surveys some students on campus in the evening and finds that 16 out of 20 of the…

A: Since you have posted more than one question Incan answer only first question at this time. Please…

Q: Say you’re a chemical engineer studying whether a certain trace impurity is present in a product. An…

A: Given:  An experiment has a probability of 0.80 of detecting the impurity if it is present. The…

Q: In a certain country, the probability of owning a car is 0.40, the probability of owning a house is…

A: The probability of owning a car is 0.40.

Q: Explain coefficient of determination?

A: In the regression equation, the dependent variable is interpreted to be best estimated through one…

Q: 53900 42400 33300 51100 37800 61700 48400 32400 29700 46100 74200 32100 50100 45100 66000 49400…

A: Class width is based on the minimum value, maximum value and the required number of classes. The…

Q: intensive coaching for a month in statistics. The scores obtained  in tests 1 and 7 are given below:…

A: students 1 2 3 4 5 6 7 8 9 10  test 1 50 52 53 60 65 67 48 69 72 80  test 7 65 55 65 65 60 67 49…

Q: Population wealth as categorized by socioeconomic status classes (low, medium, high SES) is best…

A: Defination  Ordinal data: Nominal data  measures qualitative data but it measure in ordered.

Q: K Use the Venn diagram shown to answer the question below. U I IV II V VII VI III TITIT List the…

A: given data  we have to find set of elements that represents set A.

Q: Find the sample space of the following two-stage experiment: First select an SCC student randomly…

A: two stage experiment  first record the gender if student is male ask him whether his last assignment…

Q: Define the different components (y, x, a, and b) of a linearregression equation.

A: Introduction The regression shows the relationship between one dependent variable and one or more…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Given data: Internet users Award winners 78.4 5.5 78.9 9.1 57.1 3.3 67.1 1.6 76.4 11…

Q: ● ● (2) Make a frequency table to show the frequency with which you chose each response. (3) From…

A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts…

Q: In each case below, we describe a study to determine whether exercise helps increase certain mood…

A: The study of the subjects, in which an observation of the subjects is made to infer a conclusion may…

Q: A study was done comparing the effectiveness of exercise vs medication on lowering blood pressure in…

A: Introduction An experiment is a procedure which can be repeated infinitely and has a well-defined…

Q: In an AOL survey of Internet​ users, this question was posted​ online: "Have you ever been hit by a…

A: Given: The question posted online is: Have you ever been hit by a computer​ virus? Among the​…

Q: (5) From your two-way table, calculate the proportion of Rock responses that resulted in a win, the…

A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts…