<em>What is the number sentence for "1 less than n is the sum of z and 2?"</em>
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❖ First, Notice it says "1 less than n". This expression indicates that
we subtract 1 from n, which looks as follows:-
❖ Now, It also says "the sum of z and 2". This indicates that we add z and
2:-
❖ Now, Combine these two little expressions into one equation:-
#TogetherWeGoFar
Answer:
the x² test statistic 13.71
Option a) 13.71 is the correct answer.
Step-by-step explanation:
Given the data in the question;
Feeder 1 2 3 4
Observed visits; 60 90 92 58
data sample = 300
Expected = 300 / 4 = 75
the x² test statistic = ?
= ∑[ (
-
)²/
]
= [ (60 - 75)² / 75 ] + [ (90 - 75)² / 75 ] + [ (92 - 75)² / 75 ] + [ (58 - 75)² / 75 ]
= [ 3 ] + [ 3 ] + [ 3.8533 ] + [ 3.8533 ]
= 13.7066 ≈ 13.71
Therefore, the x² test statistic 13.71
Option a) 13.71 is the correct answer.