homework.

Q: For the chi-square test for independence, the degrees of freedom used are Multiple Cholce 2 16 8.

A: Degree of freedom=(n-1)(m-1)  Where n=number of row  and m=number of column     

Q: Table 2. Regression with seasonal dummies (Enrollment Bo + B1-Spring + B2•Fall + B3-Year) SUMMARY OU...

A: SUMMARY OUTPUT                           Regression Statistics           Multiple R ?         ...

Q: Find P(A or B or C) for the given probabilities. P(A) = 0.35, P(B) = 0.24, P(C) = 0.14 P(A and B) = ...

A: P(A) = 0.35, P(B) = 0.24, P(C) = 0.14 P(A and B) = 0.13, P(A and C)=0.02, P(B and C) = 0.06 P(A and ...

Q: The money spend of 10 random visitors is 1000, 900, 870, 200, 700, 470, 1489, 1328, 1200, 610.    ...

A: Solution We calculate by using excel  

Q: Assuming that X and Y have joint distribution ƒ(x,y) = cx for -x < y < x, 0 < x < 1, and f (x, y) = ...

A:

Q: winter months in Virginia have a mean of 62o F. A meteorologist in southwest Virginia believes the m...

A: We have given that  Sample size n= 30 Sample mean = 59 Standard deviation = 6.21 P-value = 0.007

Q: A study was conducted to demonstrate that soy beans inoculated with nitrogen fixing bact more and gr...

A: a) Descriptive statistics for I and U plants: Excel Procedure: Enter the data for I and U in Excel ...

Q: 3. A random sample of 20 pieces of cotton fiber was taken and the absorbency on each piece was measu...

A:   16.71   22.54   27.54   21.54   21.41   23.78   23.78   24.89   25.91   19.61 ...

Q: 1S prove that (a + b) = a² + b².

A:

Q: A real estate analyst believes that the three main factors that influence an apartment's rent in a c...

A: Solution. Coefficient of bedrooms = 248 And dependent variable is rent.

Q: State whether each hypothesis is a null, a directional, or a non-directional hypothesis. 1. There i...

A: To state: whether each hypothesis is a null, a directional, or a non-directional hypothesis.

Q: CONSIDER that the data (refer to the photo below) is CORRELATED use alpha .05. Provide the following...

A: 1. Since the same set of six individuals is being observed under five different conditions, the numb...

Q: Compute F-statistics and infer genetic differentiation.         Flower color of desert snow (Linanth...

A: Solution  

Q: Complete the table below then find what is asked for: Upload your answer here. Show your Complete So...

A: We have to find mean, Median and mode of thr above given group data table,    Note :- According to B...

Q: their nutrition. They track their food intake, and record their daily calories, fat, and cholesterol...

A: (a) The relationship between fat and calories seems to be stronger because the slope of the first gr...

Q: Assume that a sample is used to estimate a population proportion p. Find the 80% confidence interval...

A:

Q: Given the frequency table below of the students result in 25 point quiz. Compute its mean.

A: Let x denotes the class mark and f be the frequency. The mean can be calculated as Mean = ∑f.x /∑f

Q: Find the indicated z-score shown in the graph to the right. Area = 0.0721 The z-score is (Round to t...

A:

Q: Two different methods can be used to measure the impurity level in steel alloys. 30 specimens are me...

A: The hypothesis to be tested are as follows H0:μ1=μ2H1:μ1≠μ2 The significance level of the test is se...

Q: What is the standard deviation for the number of tails when eight coins are tossed?             Ilag...

A:

Q: A study was made to estimate the difference in salaries of high school teachers in the private and p...

A:      

Q: A study is made to determine the force required to pull apart pieces of glued plastic. Three types o...

A: Given We need to find the anova table and decision , conclusion from the data below Plastic type ...

Q: Here is a scatter plot for a set of bivariate data. What would you estimate the correlation coeffici...

A: We have to check to check the given scatter plot of correlation coefficient to be? 

Q: The management of the local zoo wants to know if all of their animal exhibits are equally popular. I...

A:

Q: following problems.

A: T distribution is symmetric Distribution.

Q: A well-known brokerage firm executive claimed that 10% of investors are currently confident of meeti...

A: Solution: Let n be the sample size. From the given information, p-hat = 0.18 and n = 800. The given ...

Q: A barber shop has one barber who can give 12 haircuts per hour. Customers arrive at a rate of 8 cust...

A: Given: Arrival rate λ=8Service rate μ=12

Q: A well-known brokerage firm executive claimed that 10% of investors are currently confident of meeti...

A: From the provided information, Sample size (n) = 800 Sample proportion (p̂) = 0.18 Level of signific...

Q: Here is a table showing all 52 cards in a standard deck, Face cards Color Suit Ace Two Three Four Fi...

A: Combination: A combination is a selection of items from a group of items, where the order of selecti...

Q: Sports channels subscribers to local broadband providers were asked whether they regularly, occasion...

A: Hi! Thank you for the question as per the honor code, we’ll answer the first question since the exac...

Q: If the equality term in the null hypothesis involves s or 2, then which test would be appropriate? *...

A: Ans: If the equality term in the null hypothesis involves,  ≤ or ≥  then which test would be appropr...

Q: The data shown below consists of the price (in dollars) of 7 events at a local venue and the number ...

A: We have given that  Sample size n = 10 We want to find correlation coefficients.  Degree of freedom ...

Q: The monthly internet bills in a household are normally distributed with a mean of P1200 and a standa...

A: Ans:  The monthly internet bills in a household are normally distributed with a mean μ  = P1200 and ...

Q: Assume that a sample is used to estimate a population mean μμ. Find the 98% confidence interval for ...

A:

Q: If the equality term in the null hypothesis involves ≤ or ≥, then which test would be appropriate?

A:

Q: 10 A charity institution will organize a mini outdoor concert for a cause. The estimated cost of the...

A:

Q: Enter the data in SPSS or EXCEL Merge the two data sets Once you have entered all the data, create a...

A: Given information: The data represents the data points of countries for the months May, June, July, ...

Q: Assuming that race and seniority are independent, which of the following is the expected frequency o...

A:   Cordinator Analyst  manager  Director Total White 32 10 29 9 80 Black 39 11 17 10 77 Hispani...

Q: (Association of Binary Variable) Consider the following contingency tables: Y = 0 | Y =1| Total 20 X...

A: The variable value '0' represents absent and '1' represents present. There are three contingency tab...

Q: The manager of the city pool has scheduled extra lifeguards to be on staff for Saturdays. However, h...

A: The null and alternative hypotheses are as follows: H0: p1=p2=p3= p4= p5=1/5 H1:At least one proport...

Q: Economist A.W. Phillips was one of the first economists to present compelling evidence of the correl...

A: A regression equation is a numerical relationship between a response or a dependent variable and the...

Q: Suppose Bank of America would like to investigate if the credit score and income level of an individ...

A: Solution

Q: The management of the local zoo wants to know if all of their animal exhibits are equally popular. I...

A: The null and alternative hypotheses are as follows: H0: p1=p2=p3= p4= p5= p6= p7=1/7 H1:At least one...

Q: A history class is comprised of 8 female and 7 male students. If the instructor of the class randoml...

A: Given that Female students =8 Male students=7 Randomly selected students= 8

Q: a) If there are no two donuts of the same variety b) If there is no restriction c) If there must be ...

A:

Q: Prove that OfVg.dr = ] (Vfx Vg) · N ds.

A:

Q: Here is a bivariate data set. y 78 24 78| 31 76 39 82 31 76 34 65 33 78 34 Find the correlation coef...

A: by using bivariate data set- x y x2 y2 x⋅y 78 24 6084 576 1872 78 31 6084 961 2418 76 39 57...

Q: Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine...

A: We have given that,  Z from tha standard normal distribution Then,  We will find the value of c = ? 

Q: (1) Determine average transmitted power. (ii). Determine peak phase deviation.

A:

Q: A random sample of 1000 oranges showed that the mean amount of juice per orange was 7.4 fluid ounces...

A: Given that  Mean = mu = 7.4 Standard deviation = s = 1.1  Z score formula =( x - mu )/s