Answer:
The correct answer is (A).
Step-by-step explanation:
Because the data came from 3 groups in a randomized experiment, the appropriate test is a chi-square test for homogeneity.
Answer:
h(-1) = <u>-7</u>
Step-by-step explanation:
- use brackets while doing calculations
- steps are clearly shown in the photo
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Answer:
slope is -1
Step-by-step explanation:
y1-y2/ x1-x2
= -3 - 7 / 8 - (-2)
= -10/ 10
= -1
Answer:
Step-by-step explanation:
The radius of a circle is independent of the location of its center, and circles are always similar. Here, therefore, the circles are similar; their shapes are exactly the same. Only the radii differ from one another. The radius of Circle A is 3 and that of Circle B is 9; thus the radii differ by a factor of 3.