The population of 1000 clients consist of 800 Ilocanos, 150 Ibanags, 50 Ivatans. What sampling procedure should be  employed to properly represent each group?  Sampling Techniques:  A. Simple Random Sampling  B. Systematic Random Sampling  C. Stratified Sampling  D. Cluster Sampling

Q: Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval...

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Q: 6. A recent survey reported in Bloomberg Businessweek dealt with the salaries of CEOS at large corpo...

A: As per Bartleby guideline expert have to answer first question three subparts only dear student plea...

Q: In a recent poll, a random sample of adults in some country (18 years and older) was asked, "When yo...

A: Required probability is P(less likely | 45-54 years of age)

Q: The lifetime of disc brake pads varies according to a normal distribution with mean µ = 50,000 miles...

A: We have given that.   X~N( μ , ?^2 )   μ =50000 , ? =3000 , n=9  

Q: mitnenical variable. THE NEXT THREE QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION We have sample ...

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Q: Q9. The diagram is the distribution of the Standard Normal variate, Z. wwww w 0.5 0.4 0.3 .025 .025 ...

A: We have given that.   X~N( μ , ?^2 )   μ =0 , ? =1   Z-score =( x - μ )/?

Q: cted salad dressings (not fat-free) is given below. 180 130 160 170 110 120 160 145 150 145 150 130 ...

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Q: If 10 is subtracted from every item in a data than the coefficient of variation of the resulting set...

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Q: Express the confidence interval (35.2%,48.4%)(35.2%,48.4%) in the form of ˆp±Ep^±E. % ± ...

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Q: The number of tickets purchased by an individual for Beckham College’s holiday music festival is a u...

A: According to the given information, we have Given that the number of tickets purchased by an individ...

Q: Q1. With 4 tosses of a coin the possible sequence of outcomes is listed below: (1=Heads, 0= Tails): ...

A: A fair coin contains two outcomes i.e., Heads & Tails. Like, if a fair coin tossed n times, ther...

Q: This sampling technique is used to ensure a representative of each group, especially when the popula...

A: Here, we know that if the population is very large and heterogeneous, then whole population divide i...

Q: Question 6: Let A and B be two events such that P(A) = 0.35, P(B) = 0.45, and P(A and B)= 0.1575. Us...

A: We have given that,  A and B are two events with P(A) = 0.35,      P(B)= 0.45 and P(A and B) = 0.157...

Q: A company launches an advertising campaign of its new product on TV, radio and in print media in an ...

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Q: Calculate Price Index for 1995 and 1996 using 1990 as base year from the following data : Commodity ...

A: Given:   Prices($ per unit) Commodity 1990 1995 1996 A 5 6 4 B 7 10 7 C 8 12 6 D 20 17 ...

Q: 1 17 f(x) .05 .16 .17 .24 .38 Consider this probability distribution. What is P(X < 5) ?

A: given that ; X takes values 1,2,5,7,8 and  their Corespoding probabilities are given  f(x) = P( X = ...

Q: Q.3. Compute the range of the marks of 46 students of statistics and also its co-efficient from the ...

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Q: Suppose that E and F are two events and that P(E) = 0.5 and P(F|E) = 0.2. What is P(E and F)? P(E an...

A: GivenP(E)=0.5P(F|E)=0.2

Q: mple b. The follówing values of the function f(x) for values of x are given : f (1) = 4, f(2) = 5, f...

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Q: In a survey, 11 people were asked how much they spent on their child's last birthday gift. The resul...

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Q: A psychologist is interested in constructing a 95% confidence interval for the proportion of people ...

A: Given,n=725x=68p^=xnp^=68725=0.09381-p^=1-0.0938=0.9062α=1-0.95=0.05α2=0.025Z0.025=1.96    (from Z-t...

Q: Refer to the given problem in answering numnbers 6-8. 6. The random variable Y representing the numb...

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Q: The coefficient of rank correlation of the marks obtained by 10 students in statistics and accountan...

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Q: A batch of 20 semiconductor chips is inspected by choosing a sample of 3 chips. Assume 10 of the chi...

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Q: Using correct notation, answer the following.: of a) What proportion of respondents have a college d...

A: Given that   Note: According to bartleby experts question answers guidelines an expert can solve onl...

Q: Calculate combined mean from the following information. Total no. of boys = 50 %3D Mean weight of bo...

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Q: From the chain base index numbers given below, find fixed base index numbers : Year 1995 1996 1997 1...

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Q: Suppose that the following statistics are calculated for the electricity cost based on two samples. ...

A: The measure of central tendency provides a measure about the center of the set of the observations.

Q: According to a study done by Pierce students, the height for Hawaiian adult males is normally distri...

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Q: 2 3 4 4 P(x) 27 | 27 1 ? 27 1.

A: Given that , p(0) = 1/27 p(1) = 1/27 p(2) = 5/9 p(3) = x  ( say )  p(4) = 5/27  

Q: "Given: Mean = 30, S.D. = 8, Karl Pearson's coefficient of skewness = 0.4. Find the median and mode....

A: We have given that,  Mean = 30 , standard deviation (S.D) = 8 and coefficient of Skewness = 0.4 Then...

Q: Question 3: A partial tree diagram is provided. The missing probabilities are indicated by lower cas...

A: Given tree diagram ,

Q: Two chips are drawn at random and without replacement from a bag containing three blue chips and one...

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Q: Q. 6. Calculate quartile deviation and its co-efficient from the data given below : Age of years : 1...

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Q: Q. 1. Fit a straight line trend by least square method from the following data : Value of X : 1 2 3 ...

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Q: Q. 4. Fit a straight line from the following data Years : Sales (1000) : 1989 1990 1991 1992 12 15 1...

A: Given that  Years  1989 1990 1991 1992 Sales 12 15 17 22 Then we have to fit the straight li...

Q: Find the area under the standard normal curve, which lies (a) To the left of Z 0.94 (b) To the right...

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Q: A manufacturer of front light for automobiles tests lamps under a high humidity, high temperatu 22 U...

A: Probability = Number of favourable outcome/Total number of outcomes

Q: Answer D, E and F please! Show work!

A: As asked I answered for d, e, f only

Q: A survey is planned to determine the mean annual family medical expenses of employees of a large com...

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Q: Calculate weighted arithmatic mean from the following: Monthly Salary: 3700 3000 2200 1500 1050 Stre...

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Q: Given the following data on types of vaccines given in Malaysia (A = AstraZaneca; P = Pfitzer; S = S...

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Q: Q. 6. Calculate Karal Pearsons co-efficient of correlation from the following given data. (i) Sum of...

A: The correlation coefficient is the measure linear relation between two variables. The value of corre...

Q: In a survey, 11 people were asked how much they spent on their child's last birthday gift. The resul...

A: Givensample size(n)=11Mean(x)=50.7standard deviation(s)=17.2confidence interval = 99%

Q: #2 ou want to know the mean number of hours music students at your school practice each week. At eac...

A: We have given that data  I want to find mean.  Mean = sum of all observations/total number of observ...

Q: Using the standard normal table. Please type in your answer to each of the following. Your answer sh...

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Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence interv...

A: Given that :  Sample size(n) = 386 Success (x) = 215 Proportion (P) = x/ n By using proportion test ...

Q: For items 1 - 5, use the data below that gives the humerus bone length (in cm) and height (in inches...

A: The least square regression line is given by,   ŷ = bx+a Where  b= {n*∑xy-(∑x)*(∑y)}/{(n*∑x2 -(∑x)2}...

Q: Suppose you just purchased a digital music player and have put 15 tracks on it. After listening to t...

A: Given : Total songs =15 Number of songs you like=2 Number of songs you dislike =13   Note:As per gui...

Q: 6) Show that, if X and Y are independent random variables, such that E|X| < co ,and B is an arbitrar...

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