Use the dataset below to calculate the IQR.
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A: Given graph is
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Q: 2. An educator wants to determine whether early exposure school will affect IQ. He enlists the aid o...
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A: According our policy we can answer only first three subpart for remaining please repost the question...
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A: As per our guidelines we are supposed to answer 3 sub-parts if there are multiple sub-parts asked.
Q: a. For which data set, Video 1 or Video 2, is it appropriate to use the Empirical Rule? Explain why....
A: It is given that For video 1, mean = 52.05, SD = 12.54 For video 2, mean = 44.25, SD = 8.16 Note : A...
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A: Given information: A 1810 B 323 C 442 D 1097 E 2845 F 609 G 416 H 1689 I 1381 J...
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A: We are given that X follows binomial distribution with n=50 and p=0.5 We have to find E(X3)
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Q: TASK A: Create a spreadsheet with the data shown below. Produce and print a pie chart sh...
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Q: let sets a and b be defined as follows. A is the set of integers than or equal -5 and less than or e...
A: Solution: Let sets A and B A={the set of integers greater than or equal -5 and less than or equal to...
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A: From the given information we find the solution.
Q: Problem 4. There are 1000 students in the year level and they have to participate in a certain activ...
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...
Q: Data literacy
A: Meaning of Data Literacy: Data literacy is the ability to read, work with, analyze and communicate w...
Q: Use the dataset below to calculate the median. 3 27 16 9 5 21 18
A: The number of observations is 7.
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Q: Here are the midterm marks of 8 students from STA201 in the Summer 2020 Semester. 23 18 17 24 27 18 ...
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Q: a. Compute the value of the variance. b. Determine the value of the standard deviation. C. Determine...
A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...
Q: Here are the midterm marks of 8 students from STA201 in the Summer 2020 Semester. 23 18 17 24 27 18 ...
A: We have given that data 23 18 17 24 27 18 14 29 I want to find mean. Mean = sum of all observation...
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- Given this data below. If the level of significance is 0.05, what is the computed chi-square value?After doing AVONA on the SPSS I got result of sig. 0.165. What does that say about my data and hypothesis? How should I comment on it?A sample of average high temperature during July (x) of cities in Colorado compared to their elevation in feet (y) yields the following results: x 90 75 85 94 89 94 78 76 88 y 5280 9494 6035 4078 6191 4583 8000 8022 5807 Find y
- A study of the relationship between age and various visual functions (such as acuity and depth perception) reported the following observations on the area of scleral lamina (mm2) from human optic nerve heads: 2.84 2.63 2.76 3.75 2.28 2.64 3.94 4.11 3.80 4.27 3.49 4.51 2.40 3.59 2.72 3.55 3.02 (a) Calculate Σxi and Σxi2. Σxi = ? mm2 Σxi2 = ? mm4 (b) Use the values calculated in part (a) to compute the sample variance s2 and then the sample standard deviation s. (Round your answers to four decimal places.) s2 = ? mm4 s = ? mm2From the given information in each case below, use technology to find the P-value for a chi-square test and give the conclusion for a significance level of ? = 0.01. (Use technology to calculate the P-value. Round your answers to five decimal places.) (a) ?2 = 7.8, df = 2 P-value = c) ?2 = 17.9, df = 9 P-value = (e) ?2 = 6.1, df = 3 P-value =What is the z-score if mu = 89 , sigma=11.5, and x = 82 ?
- When determining which is significant for part a -make sure to include df, p value (greater than or less than .05), and t statisticGiven a 95% C.I. = (34.14 mm, 36.02 mm) for a sample of Wooly Bear caterpillar lengths (preceding problem), address the following. Based upon the above information, I am _____ % confident that the 95% C.I. contains the sample mean.From the resulted chi square value & degrees of freedom & the following table: calculate your p-value , and what is your hypothesis ?
- An analysis of production rejects resulted in the following figures: (attached) Calculate Karl Pearson’s coefficient of skewness and comment on the results.An article includes the accompanying data on compression strength (lb) for a sample of 12-oz aluminum cans filled with strawberry drink and another sample filled with cola. Beverage Sample Size Sample Mean Sample SD Strawberry Drink 10 535 24 Cola 10 559 15 Does the data suggest that the extra carbonation of cola results in a higher average compression strength? Base your answer on a P-value. (Use ? = 0.05.) State the relevant hypotheses. (Use ?1 for the strawberry drink and ?2 for the cola.) H0: ?1 − ?2 = 0Ha: ?1 − ?2 ≥ 0H0: ?1 − ?2 = 0Ha: ?1 − ?2 ≠ 0 H0: ?1 − ?2 = 0Ha: ?1 − ?2 < 0H0: ?1 − ?2 = 0Ha: ?1 − ?2 > 0 Calculate the test statistic and determine the P-value. (Round your test statistic to one decimal place and your P-value to three decimal places.) t = P-value = State the conclusion in the problem context. Reject H0. The data suggests that cola has a higher average compression strength than the strawberry drink.Reject H0. The…Use the following summary to answer the items that follow: Students in the sleep treatment group have higher exam scores than those in the general student population, z = 2.78, p < .01 What was the alpha value used for the test? What was the decision for this test?