In a population of snakes, researchers caught and measured ten adult females. Their body lengths (X) and weights (Y) are shown in the table below. Length (in cm) 60 64 57 58 59 55 51 52 68 64 Weight (in g) 246 278 221 219 244 191 171 162 294 292 The hypothesis to be tested is Ho :p = 0 H1 :p # 0 at a = 0.05 level of significance where p is the population correlation coefficient. Given: • The estimated simple linear regression equation is Y = -273 + 8.579X. • The sample correlation coefficient is r = 0.9767.

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In a population of snakes, researchers caught and measured ten adult females. Their body lengths
(X) and weights
(Y) are shown in the table below.
Length (in cm)
60
64
57
58
59
55
51
52
68
64
Weight (in g)
246 278 221 219 244
191
171
162
294
292
The hypothesis to be tested is
Ho : p = 0
H1 :p+ 0
at
a = 0.05 level of significance where
p is the population correlation coefficient.
Given:
The estimated simple linear regression equation is Y= -273 + 8.579X.
• The sample correlation coefficient is r = 0.9767.
Transcribed Image Text:In a population of snakes, researchers caught and measured ten adult females. Their body lengths (X) and weights (Y) are shown in the table below. Length (in cm) 60 64 57 58 59 55 51 52 68 64 Weight (in g) 246 278 221 219 244 191 171 162 294 292 The hypothesis to be tested is Ho : p = 0 H1 :p+ 0 at a = 0.05 level of significance where p is the population correlation coefficient. Given: The estimated simple linear regression equation is Y= -273 + 8.579X. • The sample correlation coefficient is r = 0.9767.
c)
The middle 50% of the lengths (in cm) of the eels are between
and
Round your answers to 2 decimal places
d)
Due to the symmetry of the normal distribution we know that
P(X > 28) = P(X <
).
Transcribed Image Text:c) The middle 50% of the lengths (in cm) of the eels are between and Round your answers to 2 decimal places d) Due to the symmetry of the normal distribution we know that P(X > 28) = P(X < ).
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