LASral Directions: In answering the exercises in the Learning Activity Sheet (LAS), please be reminded not to write arything here. Read each problem carefully and all answers must be written in a separate sheet of paper. Exercise 1: Complete the table below by filing out the necessary information. Use the first one as your reference. Is Standard Population Error of the Variance (Known or Unknown) Problem/Situation Mean Formula to be Used Given 1. Consider a population consisting of 1, 2, 3, 4, 5, 8, 9, and 11. Samp'es of size 3 are drawn from this population. N=8; n=56; p=5.375 Known 2. The owner of the drugstore chain has 100 drugstores that sell Flexcoslow, a surgical mask that prevents a person from catching liquid droplets of viruses. His operation manager said that the average drugstores in his chain sell 12 boxes of the Flexcoslow a day with a standard deviation of 2 boxes. To find out if this is true, the owner randomly selected 10 stores and found that the mean is 15 boxes with a standard deviation of 1 box. N = HE =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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General Directions: In answering the exercises in the Learning Activity Sheet
(LAS), please be reminded not to write arything here. Read each problem
carefully and all answers must be written in a separate sheet of paper.
Exercise 1: Complete the table below by filling out the necessary information.
Use the first one as your reference.
Standard
Is
Population Error of the
Problem/Situation
Variance
(Known or
Unknown)
Given
Mean
Formula to
be Used
1. Consider a population
consisting of 1, 2, 3, 4, 5, 8, 9.
and 11. Samples of size 3 are
drawn from this population.
2. The owner of the drugstore
chain has 100 drugstores that
sell Flexcoslow, a surgical mask
that prevents a person from
catching liquid droplets of
viruses. His operation manager
said that the average drugstores
in his chain sell 12 boxes of the
Flexcoslow a day with a standard
deviation of 2 boxes. To find out
if this is true, the owner randomly
selected 10 stores and found that
the mean is 15 boxes with a
standard deviation of 1 box.
N=8;
n=56;
p=5.375
Known
N =
Hs =
Se =
3. The mean height of the
students at Maligaya Elementary
School is 137.16 cm. To find out
if the statement is true, a sample
of 15 students is taken from the
population. The mean of the
sample is 139.1 cm with a
standard deviation of 2.23 cm.
4. Consider a population
consisting of 15, 2, 12, 4, 5, 8, 6,
9 and 17. Samples of size 5 are
drawn from this population.
N =
Transcribed Image Text:General Directions: In answering the exercises in the Learning Activity Sheet (LAS), please be reminded not to write arything here. Read each problem carefully and all answers must be written in a separate sheet of paper. Exercise 1: Complete the table below by filling out the necessary information. Use the first one as your reference. Standard Is Population Error of the Problem/Situation Variance (Known or Unknown) Given Mean Formula to be Used 1. Consider a population consisting of 1, 2, 3, 4, 5, 8, 9. and 11. Samples of size 3 are drawn from this population. 2. The owner of the drugstore chain has 100 drugstores that sell Flexcoslow, a surgical mask that prevents a person from catching liquid droplets of viruses. His operation manager said that the average drugstores in his chain sell 12 boxes of the Flexcoslow a day with a standard deviation of 2 boxes. To find out if this is true, the owner randomly selected 10 stores and found that the mean is 15 boxes with a standard deviation of 1 box. N=8; n=56; p=5.375 Known N = Hs = Se = 3. The mean height of the students at Maligaya Elementary School is 137.16 cm. To find out if the statement is true, a sample of 15 students is taken from the population. The mean of the sample is 139.1 cm with a standard deviation of 2.23 cm. 4. Consider a population consisting of 15, 2, 12, 4, 5, 8, 6, 9 and 17. Samples of size 5 are drawn from this population. N =
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