If the class boundaries of a class are 17.5 and 26.5, then what is the class size? A 22 (в) 10 C) 8 D 9

Q: A researcher surveyed 12 men who lost their fathers earlier in their lives.  His survey included the...

A:

Q: Determine whether the following are tautology, contradiction or contingency 1. If I will bring my um...

A: Tautology :  A statement is true by necessity or by virtue of its logical form.  * The saying of sam...

Q: CI on Mean, Variance Known Students on an internship program in the US Fish and Wildlife Service wis...

A:

Q: 5) The following results are from data where the dependent variable is SALARY, the independent varia...

A: Dependent Variable Independent Variable Salary Age   Education    Female( Dummy) Multiple r...

Q: As a study being conducted by the state's Land Transportation Bureau, a random sample of 150 SUV own...

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Q: etermine the required value of the missing probability to make e distribution a discrete probability...

A: We have given that  X 3 4 5 6 P(x) 0.35 ? 0.23 0.13  

Q: In an​ experiment, college students were given either four quarters or a​ $1 bill and they could eit...

A: Given Total number=88

Q: What is the significance of the upper and lower line in the nomogram

A: The nomogram is also known as Rumack-Matthew nomogram.

Q: The probability of failing to reject the null hypothesis when it is true is also called the acceptan...

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Q: In 1995, the proportion of all mutual funds that beat their benchmark indices was .42. In 2002, a ra...

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Q: The number of typhoon occurring in the Philippines in a particular month is known to conform to the ...

A: Given  Standard deviation of Poisson distribution=2 Variance of Poisson distribution=22=4 Mean and v...

Q: As a study being conducted by the state's Land Transportation Bureau, a random sample of 150 SUV own...

A: It is given that the sample mean is 25,000 and the population standard deviation is 5,200.

Q: If n=14, ¯xx¯(x-bar)=46, and s=6, find the margin of error at a 90% confidence level Give your answ...

A: We have given that,  Sample mean ( x̄) = 46, standard deviation   (s)=6 , sample size (n) = 14 and c...

Q: The prediction interval for Xn+1 will always be longer than the confidence interval for u True False

A: Prediction intervals must account for both the uncertainty in estimating the population mean, plus t...

Q: CI on Mean, Variance Known As a study being conducted by the state's Land Transportation Bureau, a r...

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Q: are testing the claim that the mean GPA of night students is greater than the mean GPA of day studen...

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Q: This (choose one: large, small)    p-value suggests that if the (choose one: alternative hypothesis ...

A: We have given that  For a hypothesis test, significance level alpha = 0.05. The computed P-Value = 0...

Q: NEED ANSWERS IN 20 MINS PLS Fifteen (15) samples of water were collected from a certain treatment fa...

A: Given Information: Sample size n=15 Sample mean x¯=3.84 Sample standard deviation s=3.07 Confidence ...

Q: USING GRAPHPAD PRISM: The transformation rate  you observed in a treated group of 1036 yeast colonie...

A: Given : Sample size for treated group (n1)=1036Sample proportion for treated group (p^1)=0.00193    ...

Q: You are testing the claim that the proportion of men who own cats is significantly different than th...

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Q: A CNC (computer numerical control) machine produces iron automobile crankshafts. Samples are measure...

A: For the given data Find 99% C.I =? 99% P.I =? 99% T.I =?

Q: An economist claims that the mean family income of a certain populated area in Metro Manila is 22450...

A: Given that  Hypothesized Population Mean (\mu)(μ) = 622450 Sample Standard Deviation (s)(s) = 0...

Q: 3. For the 988 men age 18-24 in the HANES sample a 70 inches average weight 162 pounds SD 30 pounds ...

A: Given: For heightμ=70σ=3For weightμ=162σ=30

Q: ne-Sample Z: st of u = 35 vs not = 35 e assumed standard deviation = 1.8 Variable N Mean StDev SE Me...

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Q: In 2014, approximately 2% of hourly rate workers were being paid at the federal minimum wage level W...

A: The objective is to find out that an increase in the minimum wage has a greater effect on the mean o...

Q: State the conclusion for the following picture

A: The two-sample t-test statistic is used to compare the means for two independent samples.

Q: STATISTICAL ANALYSIS (No long explanation needed. Rate will be given and write the complete solution...

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

Q: X is a normally normally distributed variable with mean μ = 30 and standard deviation σ = 4. Find a)...

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Q: a. If a rifleman's gunsight is adjusted correctly but he has shaky arms, he might shoot bullets scat...

A: The objective is to find the correct sketch for given statements.

Q: Calculate relative frequency for the data below?

A: We have given that the data into tabulated form:                 Weights(in lbs)   Frequen...

Q: lesktop computers is higher than the proportion of defective laptops. To check this, he takes a rand...

A: Given Desktop X1=16 N2=160 Laptop X2=10 N2=170

Q: 120 students from University of Los Banos who chose engineering as their college program were survey...

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Q: Express the confidence interval 23.5±101.123.5±101.1 in the form of a trilinear inequality.  <μ<

A: Given: mean (x¯) = 23.5 Margin of error (M.E.) = 101.1

Q: Salaries of 39 college graduates who took a statistics course in college have a mean, x, of $68,700....

A:

Q: 3. Are the events of "holding cross country practice" and "raining at the end of the school day" dep...

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Q: d. Is this a one-sided or a two-sided test? e. What would be the P-value if the alternative hypothes...

A: Given: H0:μ=35   vs   H1:μ≠35 σ=1.8

Q: witness to a hit-and-run accident told the police that the license number contained the letters RLH ...

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Q: ce - S² is greater than or equal to 7.50, and less than or equal to 2.50 are given below for sample ...

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Q: (a) How many business owners in the survey plan to provide a holiday gift to their employees this ye...

A: Given: Population proportion of business owners gave a gift to employees ,p=0.50 Sample proportion ,...

Q: Question 2 (Chp.7) If the duration of lung cancer from the onset of symptoms until death ranges from...

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Q: In the first round of the 2022 NCAA Basketball tournament the 11th seeded Virginia Tech Gobblers fel...

A: Here we will use binomial distribution with number of trial n = 19 and probability of success p = 0....

Q: In a survey, 12 people were asked how much they spent on their child's last birthday gift. The resul...

A: We have given that,  Sample mean (x̄) = $ 34, standard deviation (s)= $ 5, sample size (n) = 12 and ...

Q: The average American consumes 100 liters of alcohol per year. Does the average college student consu...

A: Given that,   The average American consumes 100 liters of alcohol per year.   A researcher surveyed ...

Q: Not rejecting the null hypothesis when it is true would also mean that the alternative hypothesis is...

A: Null and alternative hypotheses: Null hypothesis: The null hypothesis is a statement that indicates ...

Q: A third-party survey was conducted on 200 residents in a town south of Phoenix, Arizona about the pl...

A: Given: Sample size, n=200 number of residents agree to plan , x=114

Q: Given a standard normal curve, determine the approximate value of P(2.43<z<1.26). * 0.8887 0.0963 0....

A: We have given that  We have given that.   X~N( μ , ?^2 )   μ =0 , ? =1  for standard normal    Z-sco...

Q: 5) The following results are from data where the dependent variable is SALARY, the independent varia...

A:  “Since you have posted a question with multiple sub-parts, we will solve the first three subparts f...

Q: A simple random sample of size n= 32 is obtained from a population that is skewed left with u = 58 a...

A: Given  n=32, population mean μ=32, standard deviations σ=10   

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

A: We have given that  Sample size n =160 Sample proportion p^= 0.80