According to official data, the average annual expenditure on dental care in Kingston, Jamaica is at least $60,000 per person. A random sample of 64 persons showed that they spent an average of $55,000 on dental care last year with a standard deviation of $10,350. Test at the 5% significance level whether last year’s mean annual dental care expenditure per person in the parish was less than $60,000. c) find value of test statistic.

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A: Answers are:

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A: Solution: Given information: n= 100 Sample size  x= 18.5 months  sample mean μ=17.4 months…

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A: The mean mathematics SAT score for all people who took the SAT in a particular year was 514 with a…

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A: Given data,Mean (µ) = 15 hours Standard deviation (σ) =2.6 hours

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A:

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Q: STEP ONE: STEP TWO: STEP THREE: STEP FOUR: STEP FIVE: STEP SIX: Test Statistic: Critical Value(s):

A: n1 = 123 n2 = 290   x1 = 0.83 x2 =1.39   s1 = 1.77s2 =3.06

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A:

Q: Are low-fat diets or low-carb diets more effective for weight loss? This question was addressed by a…

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Q: The Florida Tribune published an article that claimed that nurses in Tampa earn more than nurses in…

A: We have to test given claim.

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A: The following information is provided:

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Q: 3. Consumer Reports indicated that the mean braking distance (from 60 miles per hour) on wet…

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A:

Q: incomes of government employees living in the San Francisco Bay area during the same period. A…

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A: It is an important part of statistics. It is widely used.

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A:

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A:

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A: We have given that  Sample size n=20 , sample mean =4  s=1 , 95%confidence.

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Q: In its Fuel Economy Guide for 2016 model vehicles, the Environmental Protection Agency gives data on…

A: From the given information, mean is 23 and standard deviation is 4.9.The Z score is,

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.