8,9,7, 6,4, 10, 15, 12, 11, 15, 16, 2, 1, 11, 12 Determine the Q1 and Q3 Find the D3 and D6 Find the P21, P35 and P55

Q: . Construct a 95% confidence interval base on the same data.

A: Need to construct 95% Confidence Interval

Q: confidence of 90%, and has no estimate for the population proportion. What is the required sample…

A: here given , confidence level  =  90%  margin of error = 0.10

Q: Consider the data set given by, (11, 17, 18, 23, 25, 26, 26, 31, 31, 33, 41, 44, 45, 48, 53}

A: Given data are arranged in assending order, 11,17,18,23,25,26,26,31,31,33,41,44,45,48,53 n= no. of…

Q: o=9. What is the sample size used in this inference? F

A: here confidence level  = 0.95   because p(19.9 < population mean < 20.1 ) = 0.95

Q: Compute for the mean and the standard deviation of the sampling distribution of the sample mean…

A:

Q: Given the sample data below: x  46  37  40  33  42  36  40  47  34  45 What is the standard…

A:

Q: Participants in this study were 169 veterans, age 50 or older, living in one of two homes in the…

A: To find the problem with averaging the raw scores of each participant for the multiple tests within…

Q: The following data are the final exam scores of the 12 students in a small calculus class. 81 90 99…

A:

Q: 12. A lecturer wanted to know the percentage of students who enjoy his lectures. A random sample of…

A: Given : Sample size of student (n) = 20 Let X : No. of students who enjoy lectures of a lecturer…

Q: Complete the table below with appropriate values

A: Given: Z X μ σ   150 108 12.8 -0.50   15 0.10 1.22 50   18 2.30 100 98.30     45 80 20

Q: 9. The students were subdivided into 24 different categories according to major, classification,…

A: The students were subdivided into 24 different categories according to major classification, gender,…

Q: Suppose the data to the right represent the survival data for the a certain ship that sank The males…

A:

Q: Compute for the mean and the standard deviation of the sampling distribution of the sample mean…

A:

Q: 2. In a recent study of 35 college students, the mean number of hours per week that they played…

A: According to the given information in this question  We need to find the 95% confidence interval

Q: (a) Sam and Peter are elassmates. In an examination, Sam gets 75 marks and Peter gets 89 marks. It…

A: It is given that Marks for Sam = 75 Marks for Peter = 89 Z(Sam) = 0 Z(Peter) = 1.75 Note : Since you…

Q: An online shopping company promises that fresh food order will be delivered to a household within 90…

A: A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…

Q: 2. A standard deviation for a population is o = 12.6. A sample of 36 observations selected from this…

A:

Q: of Squares between Groups (SSG)? What is the Sum of Squared Error (SSE)? What is the Mean Square

A: Group 1 Group 1 Group 2 Group 2 Group 3 Group 3 Group 4 Group 4 Group 5 Group 5 BOROUGH…

Q: Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes.…

A: Given that  Proportion of people use in meetings or classes = 52%  p = 0.52 (1-p) = (1-0.52) = 0.48…

Q: 9. How many words can be formed with the letters of the word 'SWIMMING' such that the vowels do not…

A: As per guidelines expert have to answer first question only dear student please upload other…

Q: The standard deviation for a population is ? = 15.3. A sample of 36 observations selected from this…

A:

Q: What is D4 ?   What is the P68 ?   What is Q1 ?   What is P55 ?

A: Given: Xi 45 32 37 46 39 36 41 48 36

Q: 13. How large a sample should be selected so that the maximum error of estimate for a 95% confidence…

A: Given thatMargin of error (E)  = 0.048Significance level (α) = 1 - 0.95 = 0.05population percentage…

Q: Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes.…

A: Let X be the random variable from binomial distribution with probability (p) = 42% = 0.42 and sample…

Q: Suppose Allan is going to build a playlist that contains 12 songs. In how many ways can Allan…

A:

Q: Question 1 A nutritionist conducted a survey to study the blood pressure(mmHg) of 8 randomly…

A: Given data

Q: 2. Consider a version of the shirking game with U, 3D 5p - w+ (1 — р)mw - т UA = p(w-2) +(1-p)(1-m)w…

A:

Q: Fred wonders whether the number of commercial space flights in the U.S. is correlated to the…

A: List of formulae : Sample mean of  x : x¯ = ∑xn Sample mean of  y : y¯ = ∑yn Sample standard…

Q: Part II. Describing Errors Instruction. Describe and explain the typel and type Il errors for a…

A: Type I error: A type I error occurs when an experiment's null hypothesis (H0) is true yet is still…

Q: (d) Write down the name of the sampling method for the following cases: (di) A fair representative…

A: Two different cases of sampling are given and the objective is to find the appropriate sampling…

Q: set of the ages of a sample of 325 Galapagos tortoises has a minımum Value um value of 110 years.…

A:

Q: Stock screeners are automated tools used by investment companies to help clients select a portfolio…

A: Given data: 9.0   -0.1   -1.6   14.6   16.0   7.7   19.9   9.8   3.2   24.8   17.6   10.7   9.1…

Q: (a) Sam and Peter are classmates. In an examination, Sam gets 75 marks and Peter gets 89 marks. It…

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY Here Given  Z sam=0 Z peter= 1.75

Q: Which of the following statements are true concerning the mean of the differences between two…

A: The statements are true concerning the mean of the differences between two dependent samples…

Q: Suppose you have given the following 2-class data where represents a postive ClaSs anu 10 10 Which…

A: We are given 2-class data  where "+" represents a positive class and "-" represents negative class.

Q: b) Find the test statistic, Z0 (round to two decimal places as needed) C) Find the P-Value…

A: Given,  Hypothesised population proportion,  p0= 0.41 Number of favorable cases (X) = 72 Sample…

Q: How many classes a frequency distribution should have а. Neither very large nor very small number b.…

A: Introduction The given question on frequency distribution is a multiple choice question. So in the…

Q: a) One production process yielded 80 defective pieces in a random sample of size 400 while another…

A: Given that  One production process yielded 80 defective pieces in a random sample of size 400 while…

Q: A math teacher claims that she has developed a review course that increases the scores of students…

A:

Q: Y, X4i, Xai) satisfy the following assumptions ; in addition, varſu;X4i, X2i) = 3 and var (X41) = 4.…

A: Given that, Yi, X1i, X2i satisfy the following assumptions: In addition, varui|X1i, X2i=3 i.e., σ2U…

Q: In order to increase employment, France mandated that all companies with 20 or more employees reduce…

A: a) 90% Confidence interval for the Population Proportion We need to construct the 90% confidence…

Q: Illustration Solution 6. z> -2.05 -2 -1 7. z-1.75 -1

A: As per Bartleby guideline expert have to answer first three subparts only dear student please upload…

Q: 40. Relationship between the correlation coefficient and coefficient of determination is that

A: here use basic of correlation

Q: For questions 15-20, use the following regression output obtained by regressing birth weight (the y…

A: For the given data Select the correct choice

Q: 3. Arkisha Manufacturing Co. of Bulacan, Philippines, has just observed a job in its laboratory in…

A: The question is based on a sample size estimation Given : Confidence level ( c ) = 0.99 cycle time…

Q: If radio station call letters must begin with either K or W and must include either two or three…

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Q: You are part of a research team in the newly formed University of California Center for Climate,…

A: If you are interested to construct the confidence interval about the true average, the formula for…

Q: Suppose 59 cars start at a car race. In how many ways can the top 3 cars finish the race? ... The…

A: There is total 59 cars.

Q: The numbers 1, 2, 3 and 4 are written separately on four slips of The slips are put in a box and…

A: