The ages of twenty husbands and wives arc given in Tabfe 9.8. Form a two-way frequency table showing the relation- ship between the ages of husbands and wives with class-intervals 20-- 24; 25--29, etc. Calculate the Arithmetic Mean of the two groups after the classi- fication. TABLE 9.8 S. No. Age of husband Age of wife 1 28 23 2 37 30 3 42 40 4 25 26 5 29 47 25 41 7 37 35 8 35 25 23 21 10 41 38 11 27 24 12 39 34 23 20 13 33 31 14 36 29 15 32 35 16 22 23 17 29 27 18 38 34 19 48

Q: The members of a town board are holding an election to select a company to maintain the property at ...

A: Borda Count Method The Borda Count Method is a simple tool that is used in elections and decision-ma...

Q: Q5 Assume that the weights of individuals are independent and normally distributed with a mean of 16...

A: Q5 Given Pop mean, μ=160+300=460Pop sd, σ=30+75=105Sample size, n=25

Q: person, Joe, claims to be able to "smell" an illness based on the odor of a person's clothing. Joe i...

A: Given that  n=12 , p=1/2=0.5 , q=1-0.5=0.5 X~Binomial(n=12,p=0.5) p=Probability guessing  X=Number o...

Q: Lecture(10.3a): Identify the test statistic used for the ANOVA  procedure and how it is calculated....

A: ANOVA is Analysis of variance.

Q: Set Poisson distributions with at = 1,5, 50. Plot the pdfs with parameter values above. Prove %3D ma...

A: Let a random variable X follows Poisson distribution with rate λt. The probability mass function of ...

Q: Situation 2: The running time (in minutes) of sample YouTube videos produced by a particular vlogger...

A: Given  95% CI for population mean μ is (11.5,16.30)   Note: According to Bartleby guidelines expert ...

Q: Insurance companies make bets. They bet that you’re going to live a long life. An insurance company ...

A: GivenDeath policy:-Mean(μ)=10000standard deviation(σ)=1000Disability policy:-Mean(μ)=5000standard de...

Q: Overall, do deer populations seem to exhibit exponential or logistic growth? Explain.

A:

Q: Define hyper geometric distribution. Find its mean

A:

Q: Dan's Diner employs three dishwashers. Al washes 20% of the dishes and breaks only 1% of those he ha...

A:

Q: In the data in the array, which statement is true? 13 15 16 17 18 18 20 21 22 22 22 22 23 23 24 24 ...

A: Given that The data are 13,15,16,17,18,18,20,21,22,22,22,22,23,23,24,24,26,27,28,29,30,30,31,33,34

Q: A random sample of 1003 adults in a certain large country was asked "Do you pretty much think televi...

A: Part(c)  Sample size (n) = 1003 and favorable cases (n) = 522 Then,  We will the find 95% confidence...

Q: . About what percent of x values lie between the first and third standard deviations (both sides)? (...

A:

Q: The distribution of SAT scores is roughly normal. The mean on the SAT is a 1060 with a standard devi...

A:

Q: Lecture(10.3): Identify the test statistic used for the ANOVA procedure and how it is calculate...

A: Identify the test statistic used for  the ANOVA procedure  and how it is calculated.

Q: Under what circumstances are we most likely to prefer the median to the mean as a measure of central...

A: We know that, We usually prefer the median over the mean (or mode) is when our data is skewed (i.e.,...

Q: Illustration 8,3. Show graphically the following: TABLE 8.3. EXPORT OF IRON ORE Year Value Quantity ...

A:

Q: Suppose that the probability that a passenger will miss a flight is 0.0959. Airlines do not like fli...

A: The probability that a passenger will miss a flight is 0.0959 and an airplane has capacity of 53 pas...

Q: Ten years after graduation, the salaries of Heriot-Watt University graduates are Normally distribute...

A: Given that.   X~N( μ , ?^2 )   μ=55000    , ?=11000   Z-score =( x - μ )/?

Q: Solar energy is considered by many to be the energy of the future. A recent survey was taken to comp...

A: Given

Q: Speed w/ ordinary shoes 12.1 mi/h Runner Speed w/ INSTRUCTIONS: special shoes 1. State the null and ...

A:

Q: For a hypothesis test of a single population proportion, we can use the "Statistics" tab in the Prob...

A: From the given information, the value of x is 5 and the value of n is 16.

Q: Shown below are the IQ scores (X) and the Final grades (Y) of 10 students. 90 90 110 110 | 115 100 8...

A: Given: X 90 90 100 100 100 110 110 115 120 120 Y 80 84 80 85 88 90 92 94 95 90  

Q: list of names of countries would be an example of  a) Interval data b) Ratio data c) Nominal data...

A: We know that, list of name comes under nominal scale.

Q: A. Suppose X ~ N(2, 3). What value of x has a z-score of −0.71? (Enter an exact number as an integer...

A:

Q: Using this formula, what is the value of tobt?

A: It is given that For 1st sample, sample size n1 = 55, sample mean = 10.56 and SS1 = 1300.19 For 2nd ...

Q: A. About what percent of x values lie between the mean and one standard deviation (one sided)? (Ente...

A:

Q: Compute P(X) using the binomial probability formula. Then determine whether the normal distribution ...

A:

Q: A research center claims that at least 23% of adults in a certain country think that their taxes wil...

A: Given that  Sample size n=900 Population proportion p=23%=0.23 Sample proportion p^=20%=0.20  

Q: Illustration 8.7. Present the data of Table 8.8 by a suitable histo- gram. TABLE 8.8. AVERAGE MONTHL...

A:

Q: The statistic for reporting the effect size of a chi square is: proportionate reduction in error. OR...

A: In this case, we need to find the correct option for the given statement.

Q: percentages:

A:

Q: Quantitative data consists of a) Nominal data and ordinal data b) Ratio data and nominal data c) ...

A: According to the given information in this question There are two types of quantitative data  1) Dis...

Q: Below are the samples taken from 100 population, what is the probability that your sample mean is be...

A:

Q: 2. The following list represents the percentage of oxygen content (in g/L) of a given substance afte...

A:

Q: A random sample of 930 in size is taken from a population with a mean of 6250 and unknown variance. ...

A: Givensample size(n)=930Mean(μ)=6250sample Variance(s2)=910

Q: The Statistics Games are played by a large number of students across the county. Last year, 32% of C...

A: Givensample size(n)=250p^=0.38

Q: A synthetic fiber used in manufacturing carpet has tensile strength that is normally distributed wit...

A: Given Pop mean, μ=75.5Pop sd, σ=3.5

Q: Lecture(8.8): The amount of time people engage in physical  activity mat be related to health outco...

A: In hypothesis testing, when comparing the population parameter of one distribution with another one,...

Q: 1. A pharmaceutical company conducts an experiment to test the effect of a new cholesterol medicatio...

A: The objective is to test the effect of a new cholesterol medication based on 15 randomly selected su...

Q: 2. The amount of sunscreen applied by women aged 21 to 30 years follows a bell-shaped distribution w...

A: Given;  x be the amount of sunscreen applied follow normal distribution with mean mu=0.6 and standar...

Q: Construct the frequency distribution table that has 7 classes for the data on heights (cm) of 20 boy...

A: We have given that  Size of classes =7 Sum of frequency =20

Q: (b) Find the probability that the sample mean is greater than 52 (a) Find the sampling distribution ...

A: Here use given information  And basics of normal distribution 

Q: Archeologists have studied sizes of Egyptian skulls in an attempt to determine whether breeding occu...

A:

Q: When we obtain probabilities using the classical approach, we define probabilities as a) Reflecting...

A: Solution 

Q: The accompanying table shows the height (in inches) of 8 high school girls and their scores on an l0...

A:

Q: ration 7.5. Represent diagrammatically the following: TABLE 7..9 DETAILS OF THE COST OF Two COMMODIT...

A:

Q: The daily wage of a particular industry is normally distributed with a mean of 150 pesos. In a rando...

A: According to the given information in this question We need to answer that which hypothesis is corre...

Q: the following information to answer A-D. A quiz consists of 10 multiple-choice questions, each havin...

A: Given data,No of multiple-choice questions n=10In which each having 4 possible answers (a,b,c,d), on...

Q: Find the margin of error for this 99% confidence interval for p.

A: It is given that Sample size n = 500 Number of voters prefer certain candidates,X = 391 The critical...