A researcher wanted to find the effect of a special diet on systolic blood pressure. She selected a sample of 6 adults and put them on this dietary plan for 3 months. The following table gives the systolic blood pressures (in mm Hg) of these seven adults before and after the completion of this plan. Before After 200 220 225 215 180 190 195 182 180 190 210 210 Let Hs be the mean reduction in the systolic blood pressure due to this special dietary plan for th population of all adults. Assume that the population of paired differences is (approximately) normal distrihuted

Q: What is the mean of the data set comprising the numbers 7, 6, 5, 6 and 11?

A: Here Given Data set 7,6,5,6,11

Q: Why should I learn statistics?

A: Statistics helps us to describe and organize data. It also helps us to make inferences from data.

Q: What are the modes of classification?

A:

Q: Do histograms have to show grouped data? Can you use them for individual numbers as well as groups…

A: Introduction    from the above question we have to explain Do histograms have to show grouped data.…

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A: Given data:  How are stats updated in postgresql?

Q: Explain about Scheffe’s test.

A:

Q: Why does The concept of degrees of freedom introduced?

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Q: It is a R question. Using your personal random sample of 1,000 observations, find: the average age…

A: #Generating 1000 random sample(considered as age)random<- sample(1:100, 1000, replace =…

Q: What should I learn statistics?

A: Given problem Given that   What should I learn statistics?

Q: what is the mean of this data set 24, -6, 5, 35, 0, -8, 36,7

A: The Given data set is  24, -6, 5, 35, 0, -8, 36,7

Q: How will statistics play a part in a health provider's career?

A:

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Q: Write A Short Note On Interpolation And Approximation.

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Q: How is statistics used in information systems?

A: statistics is used for data mining ,speech recognition ,vision and image analysis ,data compression…

Q: 5 project topic ideas for final year statistics/ actuarial science student

A: A project topic in the research area consist some principle or statement on which the investigation…

Q: what are the real-life implications of statistics in businesses? give 3 examples

A: The statistics used in all the departments of business activity like sales, purchase, production,…

Q: what are the three categories of business analytics

A: Given problem Given that

Q: What is the mean of the data set comprising the numbers 7, 8, 4, 5 and 11

A: Data set: 7, 8, 4, 5 and 11 Number of observations = 5

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Q: How many modes are there in this set of data: 2, 2, 3, 3, 3, 4, 5, 6, 6, 6, 7, 7, 8, 8

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Q: Q5. Explain the importance of statistics in the field of drug development and the pharmaceutical…

A: Statistics is a significant apparatus in pharmacological examination that is utilized to sum up…

Q: Explain the concept of Degrees of Freedom through an example:

A:

Q: The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is…

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A: Statistics is a discipline of mathematics concerned with the collecting, organization, and…

Q: Explain about the Initiating a Power Analysis.

A:

Q: Describe about two tail test.

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A:

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A: