The true statements are:
A. Tree A's heights are less spread out than tree B's heights and
B. Tree A has lower average height than tree B
Explanation:
Standard deviation in this case represents the spreading out of heights of the trees, Since tree A has lesser standard deviation given equal to 5 , it is less spread out than B given equal to 12, hence option A. is true.
The average of a quantity is given by mean so, the average height can be compared by the given mean values of the trees. Since, A has lesser mean value (= 25) than B(=60), tree A is said to have lower average height than tree B hence option B. is true.
The roots of the polynomial equation x superscript 4 baseline x cubed = 4 x squared 4 x are –2, –1, 0, 2.
The polynomial equation is given as:
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Answer:
5/10 is equal to 1/2. 5 is half of 10. 1 is half of 2.
23/100 is less. 23 is not half of 100. 50 is half of 100. 23 is less than 50.