Which of the following variables are nominal:

Q: Use technology to help you test the claim about the population mean, μ, at the given level of…

A: The following information has been provided.  Hypothesized population = 1190 Sample mean= 1214.93…

Q: QUESTION TWO. The marketing department of a major personal fragrance company was trying to ascertain…

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Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: For the given Fill all the required blanks

Q: The following is a set of data from a sample of n = 7. 4 8 16 3 1 16 20 (a) Compute the first…

A: Given data is 4,8,16,3,1,16,20Arrange the data in ascending order1,3,4,8,16,16,20sample size(n)=7

Q: 6. An automatic Coffee dispenser is advertised to pour μ-16 oz of coffee with a standard deviation…

A: The following information has been provided.  Hypothesized population = 16 Sample size = 49 Sample…

Q: Two chemical companies can supply a raw material. The concentration of a particular element in this…

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Q: No Spacing Heading 1 Hea

A: Mean SD 2 Decile 70 Percentile Apprehension 40.97 5.89 35 50 IQ 110 15 95 130 Empathy…

Q: 33. The heights of the persons is given below, you find mode. Heights (cms) 150 153 156 159 162 165…

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Q: For which of the following pairs of variables would it be appropriate to use a chi-square to test if…

A: Chi-square test is non parametric test of association.

Q: Annual high temperatures in a certain location have been tracked for several years. Let X represent…

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Q: The probability of getting heads is three times as much as the probability of getting tails, find…

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Q: Why is model 2 the best regression mod

A: Let Y be a random variable represents the 'DISTANCE' Let X be a random variable represents the…

Q: A company surveyed 200 families and asked on how much electric bill they pay monthly. The average…

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Q: Complete the table by following the steps and procedures in Hypothesis Testing. A chemical company…

A: According to our policy we can answer only first three part series for remaining please repost the…

Q: W Listed below are the measured radiation rates corresponding to these cell phones: LG G3, Motorola…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: ean relative increase in stock price was about 0.89%, with a standard deviation of 0.17%. Suppose…

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Q: The service charge for repairs at an automobile service center is based on a standard time specified…

A: From the provided information, Sample size (n) = 30 Sample mean (x̄) = 0.86 Standard deviation (s) =…

Q: In a study of 818 randomly selected medical malpractice lawsuits, it was found that 504 of them were…

A: Given,n=818x=504p^=xnp^=504818=0.6161α=0.01

Q: The secretary in a statistics department would like to estimate how much coffee to brew per day such…

A: Solution-: Given data:  3, 4, 4, 6, 4, 6, 5, 2, 5, 3 We want to find, (a) The sample mean=? (b) The…

Q: Determine whether the following results appear to have statistical significance, and also determine…

A: Statistical significance: In the study, when the result obtained is very unlikely to occur just by…

Q: What about part two which refers to the sampling model's shape, center, and spread

A: Given: Sample size = 50 Sample standard deviation = 9 Sample mean = 10.70

Q: 2. Determine the lower and upper confidence limits for u interval if given tha (0) = 25.9, n = 80,o=…

A: Given: i) n=80σ=1.55x¯=25.9α=0.02

Q: Sixty students were given a history exam. Their scores are shown below, sorted from smallest to…

A: Five number summary is:  Min, Q1, Median, Q3 , Max Here minimum observation is 16 so  Min= 16…

Q: There is a common belief that "men marry women who are younger than they are". To test this…

A: Given that  Sample size n =100 Null and alternative hypothesis  H0 and H1.

Q: 2. The table below shows the number of composition notebooks and the corresponding costs. Test if…

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Q: b) Estimate the deviation and percentage relative deviation for sample no 6.  please give me the…

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Q: 3. A clinical psychologist is keen about finding out if the length of therapy will significantly…

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

Q: 6. A manufacturer of cotter pins knows that 5 percent of his product is defective. If he sells pins…

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

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Q: The manufacturer of Beanie Baby dolls used quarterly price data for 2012/-2020/V(t = 1, ..., 36) and…

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Q: Find the m.g.f. for triangular distribution defined by f(x) = x₁ f(x) = 2-x. 0≤x≤ 1, 1 ≤ x ≤2.

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Q: A scientist estimates that the mean nitrogen dioxide level in a city is greater than 31 parts per…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a…

A: margin of error(E)=0.05Assume sample…

Q: 2. The head of a school clinic in a certain elementary school wants to estimate the mean height (in…

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Q: Fill in the P (X=*) values to give a legitimate probability distribution for the discrete random…

A: We know that, the sun of  all probabilities is equal to 1.

Q: Assume that you have a sample of n₁ = 8, with the sample mean X₁ = 42, and a sample standard…

A: Assume that you have a sample of n₁ = 8, with the sample mean X1 = 42, and a sample standard…

Q: engineering

A: Correction: last term in the above image is σ/n

Q: Using the 1% significance level, can you conclude that the average amount of ice cream dispensed by…

A: Test is that whether the average amount of ice cream dispensed by male college students is larger…

Q: A marketing expert for a pasta-making company believes that 48% of pasta lovers prefer lasagna. If 6…

A: Given that Sample size n =25 Favorable cases x =6 Sample proportion p^=x/n =6/25 =0.24

Q: A survey asked, "How many tattoos do you currently have on your body?" Of the 1218 males surveyed,…

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Q: A survey of 2,450 adults reported that 53% watch news videos. Complete parts (a) through (c) below.…

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Q: Thanks

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Q: The school registrar estimates that the dropout rate of senior high schools in cavite is 15% Last…

A: From the provided information, Sample size (n) = 200 From which 50 freshman withdrew.

Q: exam with µ = 52, a person has a score of X = 44. Which value for the standard deviation would give…

A: From the given information we find the solution.

Q: 14. The scores of the Top 15 Semi-finalists on the Ms. Universe Philippines are as follows: 85, 85,…

A: Given data : 85, 85, 86, 87, 88, 89, 90, 91, 92, 93, 93, 94, 95, 96, 97

Q: A survey of 2,950 Filipinos showed that 2,655 trust the Supreme Court decisions on legal issues.…

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Q: Rafael Nadal, a profossional tennis player believes he can make 70% of his first serves that are at…

A: List of formulae :  Observed percentage :  p^ = Count of successes in sample  sample size   Standard…

Q: What is the value of xy?

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Q: Percentage of Claims Closed in Development Year 1 2 3 4 5 30% 40% 75% 100% 0 50% %09 Ponop at pe OL…

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Q: What is the best point estimate of the population mean net change in LDL cholesterol after the…

A: It is given that  Sample mean = 31 Sample standard deviation = 19.5 Sample size = 47 Confidence…