The correct answer is option A. 1,18.
Linear regression is a method used to identify the trend Or similarity between two sets of data. All the given points of the data set are plotted and a straight line is drawn with the points. The line is called a line of regression.
F Test is a test that is used to check if the given line of regression is a good fit for the given data set or not. F ratio is the ratio obtained by dividing the two mean square values of the data set.
The numerator of the given regression is always 1
The denominator of the regression is given by n-2=20-2=18.
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60. An analysis of regression is used to test the significance of a linear regression equation based on a sample of n=20 individuals. What are the df values for the F-ratio?
a. 1, 18
b. 1, 19
c. 2, 18
d. 2, 19
Answer:
Hewo OtakuKun Here (UwU)
Explanation:
The Unification of Hawai'i (1782-1810) was a civil war in the Hawai'ian Islands over control of the entire island chain. At the time of European contact, the islands were divided amongst competing Ali'i, or high chiefs.The Island Hawai'i was divided into several districts, Moloka'i, Lana'i, and Kaho'olawe were united under Maui, O'ahu was independent, and Kawai'i ruled Ni'ihau.
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<em>From: Otaku Kun ^^</em>
Answer:
Sumerians. Let's start with Sumer. We believe Sumerian civilization first took form in southern Mesopotamia around 4000 BCE—or 6000 years ago—which would make it the first urban civilization in the region.
Explanation:
Answer:
example of construct validity
Explanation:
Construct validity refers to how accurate a study can measure / provide data about the things it claim in the initial description. From the case above, Tara's study claim that it measure<em> 'how social college students are with friends at lunch compared to at dinner' . </em>
In order to measure this, Tara only use 'duration of eye contact' as an indicator of measure it.
The thing is, Social interaction is done with many type of actions, including spoken communication, skin contact, laughter, opened body language ,etc. Only using eye contact will cut off the people who rely their socialization process on these other actions. Because of this, we can say that this study is lacking in validity.