The curve is nonsymmetrical and skewed to the right.
There is a different chi-square curve for each
.
The test statistic for any test is always greater than or equal to zero.
When
, the chi-square curve approximates the normal. For
~
the mean,
and the standard deviation,
.
Therefore,
~
, approximately.
The mean,
, is located just to the right of the peak.
In the next sections, you will learn about four different
applications of the Chi-Square Distribution. These hypothesis tests arealmost always right-tailed tests. In order to understand why the tests are
mostly right-tailed, you will need to look carefully at the actualdefinition of the test statistic. Think about the following while you
study the next four sections. If the expected and observed values are"far" apart, then the test statistic will be "large" and we will reject in
the right tail. The only way to obtain a test statistic very close tozero, would be if the observed and expected values are very, very close to
each other. A left-tailed test could be used to determine if the fit were"too good." A "too good" fit might occur if data had been manipulated or
invented. Think about the implications of right-tailed versus left-tailedhypothesis tests as you learn the applications of the Chi-Square
Distribution.
The lymphatic system plays several crucial roles in the human body, functioning as a key component of the immune system and contributing to the maintenance of fluid balance. Its main functions include:
1. Immune Response: The lymphatic system produces and transports lymphocytes, which are a type of
asegid
to transport fluids fats proteins and lymphocytes to the blood stream as lymph
Anatomy is the study of the structure of the body, while physiology is the study of the function of the body. Anatomy looks at the body's organs and systems, while physiology looks at how those organs and systems work together to keep the body functioning.
Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems
Kamara
yes
Prince
how does the stomach protect itself from the damaging effects of HCl
the normal temperature is 37°c or 98.6 °Fahrenheit is important for maintaining the homeostasis in the body
the body regular this temperature through the process called thermoregulation which involves brain skin muscle and other organ working together to maintain stable internal temperature