Question
In: Statistics and Probability
The world's smallest mammal is the bumblebee bat, also known as the kitti's hog-nosed bat. Such...
The world's smallest mammal is the bumblebee bat, also known as the kitti's hog-nosed bat. Such bats are roughly the size of a large bumblebee. Listed below are weights (in grams) from a sample of these bats:
1.7, 1.6, 1.5, 2.0, 2.3, 1.6, 1.6, 1.8, 1.5, 1.7,
2.0, 1.4, 2.6, 1.7, 1.6
(a) Use the sample data to construct a 95% confidence interval of the mean weight and state the margin of error (E).
(b) Using a 0.01 significance level to test the claim that these bats come from the same population having a mean weight equal to 1.8 g. What is your conclusion of the claim after the test? (Need to state hypotheses, compute test statistic, critical value, P-value, and conclusion)
Solutions
orchestra answered 1 year agoRelated Solutions
The world's smallest mammal is the bumblebee bat, also known as the kitti's hog-nosed bat. Such...
The world's smallest mammal is the bumblebee bat, also known as
the kitti's hog-nosed bat. Such bats are roughly the size of a
large bumblebee. Listed below are weights (in grams) from a sample
of these bats:
1.7, 1.6, 1.5, 2.0, 2.3, 1.6, 1.6, 1.8, 1.5, 1.7,
2.3, 1.3, 1.5, 1.6, 2.0
(a) Use the sample data to construct a 95% confidence interval
of the mean weight and state the margin of error (E).
(b) Using a 0.05 significance level...
The world's smallest mammal is the bumblebee bat, also known as the kitti's hog-nosed bat. Such...
The world's smallest mammal is the bumblebee bat, also known as
the kitti's hog-nosed bat. Such bats are roughly the size of a
large bumblebee. Listed below are weights (in grams) from a sample
of these bats: 1.7, 1.6, 1.5, 2.0, 2.3, 1.6, 1.6, 1.8, 1.5, 1.7,
2.0, 1.4, 2.6, 1.7, 1.6
1. Use the sample data to construct a 95% confidence interval of
the mean weight and state the margin of error (E).
2. Using a 0.01 significance level...
The smallest mammal in the world is the bumblebee bat, also known as the Kitti's pig-nosed...
The smallest mammal in the world is the bumblebee bat, also
known as the Kitti's pig-nosed bat (or Craseonycteris thonglongyai,
as it is affectionately called). Such bats are about the size of a
large bumblebee. The weights (in grams) of a sample of these bats
are listed below. Assuming that the weights of all these bats have
a standard deviation of 0.30 grams, construct a confidence estimate
of 95% of their mean weight. Use the confidence interval to
determine if...
The world's smallest mammal is the bumblebee bat. The mean weight of 50 randomly selected bumblebee...
The world's smallest mammal is the bumblebee bat. The mean
weight of 50 randomly selected bumblebee bats is 1.659 grams, with
a standard deviation of 0.264 grams.
a) a 99.9% confidence interval for the mean weight of all bumblebee
bats at the following confidence levels (two places after
decimal):
( , )
b) Find a 99% confidence interval for the mean weight of all
bumblebee bats at the following confidence levels (two places after
decimal):
( , )
c) Find...
The world's smallest mammal is the bumblebee bat. The mean weight of 100 randomly selected bumblebee...
The world's smallest mammal is the bumblebee bat. The mean
weight of 100 randomly selected bumblebee bats is 1.659 grams, with
a standard deviation of 0.264 grams.
Find a 99.9% confidence interval for the mean weight of all
bumblebee bats at the following confidence levels (two places after
decimal): (WebAssign will check your answer for the correct number
of significant figures. , WebAssign will check your answer for the
correct number of significant figures. )
Find a 99% confidence interval...
The world's smallest mammal is the bumblebee bat. The mean weight of 100 randomly selected bumblebee...
The world's smallest mammal is the bumblebee bat. The mean
weight of 100 randomly selected bumblebee bats is 1.659 grams, with
a standard deviation of 0.264 grams.
Part 2 Dr. Clifford Jones claims that the mean weight of
bumblebee bats is 1.7 grams. We are interested in whether it's less
than he claims. Using the t-distribution technique, is there
evidence that bumblebee bats weight less on average than he claims,
at each of the following levels?
The degrees of freedom...
The world's smallest mammal is the bumblebee bat. The mean weight of 40 randomly selected bumblebee...
The world's smallest mammal is the bumblebee bat. The mean
weight of 40 randomly selected bumblebee bats is 1.659 grams, with
a standard deviation of 0.264 grams.
Find a 99.9% confidence interval for the mean weight of all
bumblebee bats at the following confidence levels (two places after
decimal):
Find a 99% confidence interval for the mean weight of all
bumblebee bats at the following confidence levels (two places after
decimal):
Find a 95% confidence interval for the mean weight...
Part 1 The world's smallest mammal is the bumblebee bat. The mean weight of 60 randomly...
Part 1 The world's smallest mammal is the bumblebee bat. The
mean weight of 60 randomly selected bumblebee bats is 1.659 grams,
with a standard deviation of 0.264 grams. Find a 99.9% confidence
interval for the mean weight of all bumblebee bats at the following
confidence levels (two places after decimal): (WebAssign will check
your answer for the correct number of significant figures. ,
WebAssign will check your answer for the correct number of
significant figures. ) Find a 99%...
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