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New York University *
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Subject
Statistics
Date
Jan 9, 2024
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8
Uploaded by MajorCamel3218
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Name: Nehal Hossain
TA: Amy Goltermann
Date: September 27, 2023
Assignment #: 1
Question 1)
Question 2)
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Question 3)
Question 4a)
Question 4b)
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Question 5)
(4.48070)^2= 23.107
N-1= 25-1= 24
23.107*24= 554.57
SS= 554.57
Question 6a)
The Anxiety Scores for all of the participants have a mean, median, and standard deviation
of 5.92, 4.00, and 4.48 respectively. The shape appears to be a positive skew according to
the histogram.
Question 6b)
The mean is not a good center of this distribution because the distribution is skewed
positively and thus not a normal distribution.
Question 7a)
The mean and standard deviation of “scoresthree” are 17.76 and 13.44 respectively. The
mean and the standard deviation of the “scoresthree” variable is each three times the
respective mean and standard deviation of the original Anxiety score variable (“score”).
Question 7b)
The shape of the distribution for “scoresthree” while positively skewed, would be wider
and more stretched out along the x-axis compared to the original shape of the Anxiety
Scores variable. This is due to the standard deviation of “scoresthree” being three times the
standard deviation of “score”, hence the data is more spread out which results in the curve
being more widespread.
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P Do Homework-Section 14 Hom x
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Fall 2021 Algebra: Polynomials (MAT-112A-012, MAT-112A-CR1, MAT-112A-MN1)
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