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MATH220--Assignment 1 Question 1. (Minitab) The weights (in grams) and humerus lengths (in inches) of 35 male house sparrows that survived and 24 that perished from a severe winter storm were recorded. The data file is provided separately.a) Describe the individuals and the variables in this study. Specify the quantitative and the categorical variables?b) Construct a stem-and-leaf display (or stemplot) of the distribution of the humerus lengths of the 59 male house sparrows.c) Describe the shape, center, and spread of the distribution of humerus lengths. Identify any suspected outliers.d) Make back-to-back stemplots of the humerus lengths for the male house sparrows that survived and those that perished. Write a brief comparison of the two distributions. Question 2. (Minitab) How do cigarette excise taxes per 20-pack (in dollars) vary from state to state? The data set of the 2011 cigarette taxes for the 50 states, the District of Columbia, Guam, Puerto Rico, and Northern Marianas Islands is provided separately.a) Make a histogram of the data.b) Describe the distribution of the cigarette excise tax in the 54 states o regions. Use percentages to enrich your description. Identify the outlying regions, if any. Say something about cigarette taxes in your native and/or adopted state or region.c) Look at the map of the 2011 state cigarette excise tax inhttps://www.ncsl.org/issues-research/health/2011-state-cigarette-excise-taxes.aspxAre there regions of the country where cigarette taxes are higher or lower?
A company will promote two employees out of a group of six men and three women, what would you say the chances of this experiment if there is particular concern about gender equity and which concept of probability would you use to estimate these p..
Hello, can you please help me solve this inequality with absolute values?
a television station estimates that 60 of college studentswatch the super bowl. for a sample of 240 students selected
Find out whether this is enough evidence to accept or reject manager's null hypothesis, using alpha = .01. Is this test left-tailed, right-tailed or two-tailed?
The weekly salaries of teachers in one state are normally distributed with mean of $490 and standard deviation of $45. Determine the probability that a randomly selected teacher earns more than $525 per week?
the average weight of adult male bison in a particular federal wildlife preserve is 1550 pounds with a standard
construct a 98 two-sided confidence interval on the true standard deviation of the student height distribution.to earn
the weight of food packed in certain containers is a random variable with a mean of 16 oz. and a standard deviation of
Find a 95% confidence interval for the mean daily caloric intake. Interpret this interval.
A developmental psychologist is studying memory development in children. He is interested in determining the exact age at which children began to recall long-term episodic memories.
Hypothesis Testing: We wish to test the claim that the mean body mass index (BMI) of men is equal to the mean BMI of women. Use the data to the right to test this claim.
Why can not we just do several two sample tests like we did in the last week. In your own words explain briefly also tell us what these are and what did it mean.
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