The critical value of r is mathematically given as r = +0.487, with no significant linear correlation. Option A.
<h3>What are the critical values of r?</h3>
Question Parameters
r = -0.868
n = 5
df = 5 - 2
df = 3

Critical values 
Generally, there exists no linear correlation between the Critical values
as r=0.878
In conclusion, Critical values: r = +0.487, no significant linear correlation
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Answer: 53.40
Step-by-step explanation:
Tax = 7% of 43.45 = 3.04
Tip = 15% of (3.04 + 43.45) = 6.91
Total = 43.45 + 3.04 + 6.91
Step-by-step explanation:
divide 45 into the number dominique can type and then subtract 16 minutes.
Answer:
a is equal to 0.3
Step-by-step explanation:
12a + 5 -8a =-1
(collect like terms)
12a + 8a= -1 -5
20a = -6
a= -6÷20
a= 3÷ 10
a= 0.3