Prices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is notsmooth. For example, the difference between the size of a 0.99 carat diamond and a 1 carat diamond is undetectable to the naked human eye, but the price of a 1 carat diamond tends tobe much higher than the price of a 0.99 carat diamond. In this question we use two random samples of diamonds, 0.99 carat and 1 carat, each sample of size 23, and compare theaverage prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99 caratdiamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. The distributions and some sample statistics are shown below.806040200.99 carats1 carat0.99 carats1 caratMean$42.51$56.83SD$12.31$16.12n2323Point price (in dollars) Calculate the test statistic. (Round your answer to two decimal places.)t = .002659

We have given that Sample mean xbar1=42.51, xbar2=56.83 ,samples mean n1=23,n2=23 and s1=12.31,…

rices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not mooth. For example, the difference between the size of a 0.99 carat diamond and a 1 carat diamond is undetectable to the naked human eye, but the price of a 1 carat diamond tends to e much higher than the price of a 0.99 carat diamond. In this question we use two random samples of diamonds, 0.99 carat and 1 carat, each sample of size 23, and compare the verage prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99 carat liamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. The distributions and some sample statistics are shown below. 80 40- 20- 0,99 carats 1 carat 0.99 carats 1 carat Мean $42.51 $56.83 SD $12.31 $16.12 23 23 Point price (in dollars)

rices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not mooth. For example, the difference between the size of a 0.99 carat diamond and a 1 carat diamond is undetectable to the naked human eye, but the price of a 1 carat diamond tends to e much higher than the price of a 0.99 carat diamond. In this question we use two random samples of diamonds, 0.99 carat and 1 carat, each sample of size 23, and compare the verage prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99 carat liamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. The distributions and some sample statistics are shown below. 80 40- 20- 0,99 carats 1 carat 0.99 carats 1 carat Мean $42.51 $56.83 SD $12.31 $16.12 23 23 Point price (in dollars)

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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Question

Prices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not
smooth. For example, the difference between the size of a 0.99 carat diamond and a 1 carat diamond is undetectable to the naked human eye, but the price of a 1 carat diamond tends to
be much higher than the price of a 0.99 carat diamond. In this question we use two random samples of diamonds, 0.99 carat and 1 carat, each sample of size 23, and compare the
average prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99 carat
diamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. The distributions and some sample statistics are shown below.
80
60
40
20
0.99 carats
1 carat
0.99 carats
1 carat
Mean
$42.51
$56.83
SD
$12.31
$16.12
n
23
23
Point price (in dollars)

Calculate the test statistic. (Round your answer to two decimal places.)
t = .002659

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