QUESTION 11 The time in seconds, of 15 students running the race are recorded below. Find the time, in seconds that corresponds to the first quartile. 40, 44, 45, 58, 60, 62, 64, 67, 67, 69, 71, 75, 77, 78, 78

Q: give a broad conclusion about learning sampling technique and its importance.

A: Sampling is a method that allows researchers to get information about the population based on the st...

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Q: Find the correct coefficient of correlation.

A: Here use correlation coefficient formula 

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Q: Construct a confidence interval for β1 from the data set below with 95% confidence. Interpret the re...

A: For the given table Construct a confidence interval for β1 with 95% confidence. Interpret the result...

Q: Problem 7. Calculate Inter quartile Range for the data given below : Class : 0-10 10-20 20-30 30-40 ...

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Q: A scientific study was conducted to determine the hours of sleep that college students get per night...

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Q: What is the Cramer Rao lower bound and why is it important?

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...

Q: The number of pets owned by twelve randomly chosen students are 0, 0, 1, 3, 14, 1, 2, 2, 0, 1, 2, 1...

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Q: researcher is interested in finding a 98% confidence interval for the mean number of times per day t...

A: Givensample size(n)=138Mean(x)=27.3standard deviation(s)=24.5confidence interval=98%

Q: From 5 statisticians and 6 economists, a committee of size 6 is to be formed. How many different com...

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Q: Q5. In the following diagram: H: μ-4; Η: μ = 1. (X) Ho H XD Rejection region Non-rejection region

A: Given: H0: μ=4H1:μ=1 The graph is as below

Q: Fill in the blanks: is usually referred as the true value of the population.

A: Here wel will use the concept of sampling distribution

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Q: Let x be a random variable that represents the percentage of successful free throws a professional b...

A: Solution: Given that : n= 6 ∑x=438∑x2=32264Se= 3.1191a =6.564b=0.5379x= 73 To find SXX Sxx= ∑x2-1n(∑...

Q: An electrical firm manufactures light bulbs that have a length of life that is normally distributed ...

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Q: Example 16. Compute Fisher's Ideal Index number from the data given below and show that it satisfies...

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Q: he breaking strength of a textile fiber is normally distributed random variable. Specification requi...

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Q: H.W:- Find the transpose to the following matrices 4 6 80 5 13 -90

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A: Convenience sampling       Convenience sampling is a type of non-probability sampling that involves ...

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Q: The number of pets owned by twelve randomly chosen students are 0, 0, 1, 3, 14, 1, 2, 2, 0, 1, 2, 1...

A: First Quartile: It is the median of lower half data. Lower half data means the data values which are...

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Q: Consider the hypothesis test Ho : µ = 42 against H1 : µ1 # µ2 with known standard deviations o = 1I ...

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Q: 1411. Following are the values of x (independent able) and y (dependent variable). Find the value of...

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