EXERCISE 4 Brain weight Total sleep (hrs/day) -358" A scientist studied the relationship between the number of hours per day an animal sleeps and the weight of its brain. He took a sample of 62 different type of animals and obtained data on brain weight and total hours of sleeping per day. Table below depicts the result of correlation analysis. (grams) Pearson Correlation Sig. (2-tailed) 1 Brain weight (grams) .006 62 58 Pearson Correlation Sig. (2-tailed) N *. Correlation is significant at the 0.01 level (2-tailed). a) State the value of the Pearson correlation coefficient and the type of correlation that exists between the number of hours per day an animal sleeps and the weight of its brain. -358" 1 Total sleep (hrs/day) .006 58 58 b) What happens to the number of sleeping hours as the brain of an animal gets heavier?

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EXERCISE 4
Brain weight Total sleep
(hrs/day)
-358"
A scientist studied the relationship between the
number of hours per day an animal sleeps and the
weight of its brain. He took a sample of 62 different
type of animals and obtained data on brain weight
and total hours of sleeping per day. Table below
depicts the result of correlation analysis.
(grams)
Pearson
Correlation
Sig. (2-tailed)
1
Brain weight
(grams)
.006
58
62
Pearson
Correlation
Sig. (2-tailed)
a) State the value of the Pearson correlation
coefficient and the type of correlation that exists
between the number of hours per day an animal
sleeps and the weight of its brain.
-358"
1
Total sleep
(hrs/day)
.006
58
58
**. Correlation is significant at the 0.01 level (2-tailed).
b) What happens to the number of sleeping hours as
the brain of an animal gets heavier?
Transcribed Image Text:EXERCISE 4 Brain weight Total sleep (hrs/day) -358" A scientist studied the relationship between the number of hours per day an animal sleeps and the weight of its brain. He took a sample of 62 different type of animals and obtained data on brain weight and total hours of sleeping per day. Table below depicts the result of correlation analysis. (grams) Pearson Correlation Sig. (2-tailed) 1 Brain weight (grams) .006 58 62 Pearson Correlation Sig. (2-tailed) a) State the value of the Pearson correlation coefficient and the type of correlation that exists between the number of hours per day an animal sleeps and the weight of its brain. -358" 1 Total sleep (hrs/day) .006 58 58 **. Correlation is significant at the 0.01 level (2-tailed). b) What happens to the number of sleeping hours as the brain of an animal gets heavier?
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