Is maternal education level is effective for child weight. After random sampling, 235 mothers and children were enrolled. At the error level of 0.05, the following table was obtained. Under Diploma Diploma University or more Total ● N Between Groups Within Groups Total 56 85 94 235 Mean 3308.9286 3234.7059 3285.5851 3272.7447 Sum of Squares Std. Deviation Write the Null and alternative Hypothesis Complete this ANOVA table Comparing F with F table decide to reject or accept the NULL hypothesis. ANOVA 2100 ? 3600 ? ? ? 446.41065 395.11478 365.87783 396.21961 df Minimum ? ? ? 2380.00 2400.00 2130.00 2130.00 Mean Square F Maximum ? 4300.00 4300.00 4150.00 4300.00 F table 12.36

Q: Test the claim that the mean GPA of night students is larger than the mean GPA of day students at…

A: The answer is attached below,

Q: You may need to use the appropriate appendix table or technology to answer this question. A…

A:

Q: 5. In a population with m = 65 and s = 6, Fred is 1 ½ standard deviations above the mean, John's…

A: Hi there! Thanks for posting the question. Since there are multiple questions, we will solve one…

Q: Previous question Assume that the readings on the thermometers are normally distributed with a mean…

A: Given that.   X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: Compute the margin of error for each of the case. Assumes that the population is approximately…

A: Givensample size(n)=60sample standard deviation(s)=16.5confidence level=99%

Q: 1.  Assume that thermometer readings are normally distributed with a mean of 0 degrees C and a…

A: Given that  μ = 0 degree celsius ? = 1.00 degree celsius By using standard normal distribution we…

Q: 2a. (Data calories.txt) For this problem, focus on the random sample obtained using only treatment…

A: "Since, you have posted a question with multiple sub-parts, we'll solve the first three sub-parts…

Q: 4) In testing the claim about the mean annual income of full-time college students is below $15,000,…

A: Given that  Sample size n =40 Sample mean =14450 Sample standard deviation =2025

Q: 3.2 Using two-period panel data analysis and a three-variable model, show how first differencing can…

A: The fixed-effects model is a model where the unobserved effects are not allowed to vary over time.…

Q: 2. Let X denote the reaction time, in seconds, to a certain stimulus and Y denote the temperature…

A: Let X:the reaction time Y:the temperature f(x, y) =1.5 (x2 + y2) ;0<x, y<1 Marginal pdf of X…

Q: If a hypothesis test using a sample of n = 16 scores produces a t statistic of t = 2.15, then the…

A: Given:             Sample Size = n = 16              t statistic of t = 2.15…

Q: A. Compute the margin of error for each of the following cases. Assumes that the population is…

A: 1)Givensample size(n)=400population standard deviation(σ)=58confidence level = 955

Q: Q2: Use Linear Least-Squares Regression to fit the following variables: 7 10.1 Xi yi 1 1.3 2 3.5 3…

A: Given data set is xi yi 1 1.3 2 3.5 3 4.2 4 5.0 5 7.0 6 8.8 7 10.1 8 12.5 9 13…

Q: Suppose that adult glucose levels are Normally distributed with a mean of 99 mg/dL (milligrams per…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: Coffee is a leading export from several developing countries. When coffee prices are high, farmers…

A: The given data is Price (cents per pound) 29 40 54 55 72 Forest lost (%) 0.49 1.59 1.69 1.82…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01.…

A: Given,sample size(n)=227sample mean(M)=78.2sample standard…

Q: A study on the sales (Y=number of units sold) and the price (X, in pesos), the corresponding…

A: The given information is  Y=number of units sold. X=in pesos The corresponding regression equation…

Q: Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: Given that n =15 , P =0.45 Using binomial distribution Find P ( x <3 ) =?

Q: 2. Let X denote the reaction time, in seconds, to a certain stimulus and Y denote the temperature…

A: Let X:the reaction time Y:the temperature Let X and Y have joint pdf f(x, y) =1.5(x2 + y2 )…

Q: Muzzle velocities of eight shells tested with a new gunpowder yields the following results 2959 ft/s…

A:

Q: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: Given data is f(x,y) y 1 2 3 Total x 1 0.10 0.05 0.02 0.17 2 0.10 0.35 0.05 0.50 3 0.03…

Q: A cafe´ serves four types of bread roll, and each roll contains one of four fillings. The…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Assume random vector y has E(y) = μ RP and Cov(y) = Σ > 0. (a) Find E[(y-μ)'(y -μ)]. (b) Show that…

A: Random vector         A random vector value depends on the outcome of the experiment. A random…

Q: It has long been accepted by the general public that normal body temperature is 98.6 degrees. A…

A: Given that: Level of significance, α=0.05 Number of adults in a group, n = 20 14 selected adults…

Q: One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the average…

A: Given that  One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that…

Q: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: Given n=122 P=0.25

Q: Latasha is a waitress at Seventh Heaven Hamburgers. She wants to estimate the average amount each…

A:

Q: The Journal de Botanique reported that the mean height of Begonias grown while being treated with a…

A:

Q: The following table gives the 2008 market values (rounded to billions of dollars) of five…

A:

Q: For the carpet city problem, what would the Excel file that shows 3-month moving average and the…

A: The given information isw1=0.55w2=0.33w3=0.12Sum of wi=1Mean Absolute Deviation (MAD)=|Actual value…

Q: When α= 0.10 and n=30 ,   χ2left =     χ2right =

A: Given that α=l.o.s.=0.10 n=30

Q: A random sample of 46 adult coyotes in a region of northern Minnesota showed the average age to be x…

A: "Since you have posted a question with multiple sub-parts, we'll solve the first three sub-parts for…

Q: A population has a mean μ=90 and a standard deviation σ=25. Find the mean and standard deviation of…

A:

Q: Group A is a sample of 15 people Group B is a sample of 15 people What are the degrees of freedom…

A: Givensample size(n1) for Group A = 15sample size(n2) for Group B = 15

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.9…

A: Given,mean(μ)=4.9  yearsstandard deviation(σ)=1.2  years

Q: please solve the following, don't copy from chegg or anywhere i need unique examples  thanks a.…

A: Given that : Here we use the correlation concept to solve this problem.

Q: In a certain state's Pick 3 lottery game, you pay $1.45 to select a sequence of three digits (from 0…

A:

Q: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: Given data is  f(x,y) y 1 2 3 Total x 1 0.10 0.05 0.02 0.17 2 0.10 0.35 0.05 0.50 3 0.03…

Q: 1. What is the Pearson r correlation coefficient? (answer in 4 decimal places) 2. Which of the…

A:

Q: Group A is a sample of 15 people Group B is a sample of 15 people What are the total degrees of…

A: Given data isGroup A sample size(n1)=15Group B sample size(n2)=15

Q: A survey found that women's heights are normally distributed with mean 63.8 in and standard…

A: here given , A survey found that women's heights are normally distributed with mean 63.8 in and…

Q: The number of ants per acre in the forest is normally distributed with mean 42,000 and standard…

A: Given mean=42000 Standard deviations=12189

Q: Based on historical data, your manager believes that 27% of the company's orders come from…

A:

Q: In a survey, 17 people were asked how much they spent on their child's last birthday gift. The…

A: Given data isMean(x)=47standard deviation(s)=9sample size(n)=17confidence interval=98%

Q: Every year, at the Academy awards ceremony, a Best Actress and Best Actor awards are given.   Below…

A: The following information has been given: Best Actress Best Actor 28 62 63 52 29 41 41 39…

Q: a. Use the one-mean t-interval procedure with the sample mean, sample size, sample standard…

A: The answer is attached below,

Q: Why won't the whiteboard image show up?

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: State Pr(a) ra Pr(b) rb 1 0.2 10% 0.25 12% 2 0.6 15% 0.40 20% 3 0.2 20% 0.35 18%…

A:

Q: In a study of statistics professors' salaries (USA) the following data was obtained: n=23,…

A: The answer is attached below,

Q: Latoya invested $3000 in a fund for 2 years and was paid simple interest. The total interest she…

A: Given:A=180P=3000t=2 yearsFind: r?