You are given the following data representing a random sample of the amount of coffee a particular persondrinks (in ounces) per day.Based on the sample data, create a 90% confidence interval for the population mean.16.816.67.720 11.8 8.4 15.3 25.718.4 19.3 13.2 2.623.6Round your answers to one decimal place.

Followings are the Explanation of the question Calculate the Sample Mean and sample standard…

Answered: You are given the following data…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A random survey of 200 pregnant women in New York City conducted by Epstein andRogers indicated that 150 of them preferred a female obstetrician to a male obstetrician.a. Find a point estimate for p, the proportion of all pregnant women in New York Citywho prefer a female obstetrician.__________ b. Find a 99% confidence interval for the proportion p of all pregnant women living inNew York City who prefer a female obstetrician.
2.18 2.42 2.57 2.89 Suppose the data represent the inches of rainfall in April for a certain city over the course of 20 years. 4.79 D 0.53 0.76 1.23 1.37 1.86 3.37 3.66 3.88 4.09 4.49 5.04 5.36 5.79 Given the quartiles Q, = 2.020, Q, = 3.280, and Q3 = 4.640, compute the interquartile range, IQR. 3.19 6.08 IQR =D (Round to three decimal places as needed.)
The Statistics Games are played by a large number of teams across the county. Teams raise money to cover expenses incurred by participating. You want to estimate the mean amount of money raised by teams. You take a random sample of 36 teams and find a mean of $375, with a standard deviation of $32. What critical value should you use for a 95% confidence interval?
What percentage of hospitals provide at least some charity care? Based on a random sample of 10 hospital reports from eastern states, the sample mean was x = 62.3 % and the sample standard deviation was s = 8.0 %. a. Find a 98% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care. b. Interpretation. What does the confidence interval mean in the context of this problem?
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
For the data set below, calculate r, r2, and a 95 percent confidence interval in r units. Then write a one- to two sentence conclusion statement that includes whether the null hypothesis was rejected or not and whether there is a strong /weak/no relationship. Assume a two tailed hypothesis and α = .05. Case 1 Case 2 Case 3 Case 4 Case 5 Case 6 X 1.05 1.15 1.30 2.00 1.75 1.00 Y 2 2 3 4 5 2
In terms of z scores, a 99% confidence interval consists of which of the following ranges? 1. ±1 z 2. ±1.96 z 3. ±2.05 z 4. ±2.56 z

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