Concerns about climate change and co2 reduction have initiated the commercial production of blends of biodiesel (e.g., from renewable sources) and petrodiesel (from fossil fuel). Random samples of 46 blended fuels are tested in a lab to ascertain the bio/total carbon ratio.A) if the true mean is .9400 with a standard deviation of .0030, within what interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places) 1Concerns about climate change and CO, reduction have initiated the commercial production of blends of biodiesel (e.g., fromrenewable sources) and petrodiesel (from fossil fuel). Random samples of 46 blended fuels are tested in a lab to ascertain the bio/totalcarbon ratio.(a) If the true mean is .9400 with a standard deviation of 0.0030, within what interval will 90 percent of the sample means fall? (Roundyour answers to 4 decimal places.)The interval is from0.4390 to0.4390Book

Given data n=46 mean=0.9400 standard deviation=0.0030

Answered: Concerns about climate change and co2…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 13PPS

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Concerns about climate change and co2 reduction have initiated the commercial production of blends of biodiesel (e.g., from renewable sources) and petrodiesel (from fossil fuel). Random samples of 46 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. A) if the true mean is .9400 with a standard deviation of .0030, within what interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places)

1
Concerns about climate change and CO, reduction have initiated the commercial production of blends of biodiesel (e.g., from
renewable sources) and petrodiesel (from fossil fuel). Random samples of 46 blended fuels are tested in a lab to ascertain the bio/total
carbon ratio.
(a) If the true mean is .9400 with a standard deviation of 0.0030, within what interval will 90 percent of the sample means fall? (Round
your answers to 4 decimal places.)
The interval is from
0.4390 to
0.4390
Book

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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