Quantitative Level of Variable Qualitative measurement Discrete Continuous 1) Weight of a rat in grams. 2) The number of heart attacks. 3) Train seat classifications (1st, 2nd and 3rd class). 4) A professor records the number of students absent during final examination. 5) Size of shoes for primary school children range from 3 to 8.

Q: Describe examples of how the concept, 4 levels of measurement (nominal, ordinal, interval, ratio)…

A: Answer: Given that:     Describe examples of how the concept, 4 levels of measurement (nominal,…

Q: Find the missing measures

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Q: the portland trailblazers won 41 games in the by end of the 2017 season and 49 games by end of the…

A: 2017- won 41 games 2018- won 49 games Absolute and relative changes =?

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Q: Calculate the 3rd quartile, 9th decile and 46th percentile c the distribution

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A: xy'=12x-3y..................1Let x=e2z=logxdzdx=1xdydx=dydz·dzdx ⇒dydz·1xxdydx=dydzNow equation (1)…

Q: 29. At a construction site, there are boards that measure 44 Find the relative error of this…

A: Given problem:- At a construction site, there are boards that measure 4.5 Find the relative error of…

Q: Emerson struck out 112 times in 350 at-bats. Find the percent of strike outs per at-bats.

A: If an event occurs N times and a subset of this event occurs say M times then the fraction of times…

Q: When do you use the following scales of measurement? Interval/ratio; ordinal and nominal

A: There are 4 scales of measurement. Nominal, Ordinal, Interval and Ratio. Usage: Interval/ Ratio…

Q: Kiet Ma sells refrigerators.  He carries 3 models.  Price and monthly sales for each model are…

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Q: he percentage of bags weighing between 8.9 and 9.46 ounces is The percentage of bags weighing…

A: According to our guidelines we will solve only first three sub-parts of a question and rest will be…

Q: What's the equation to find the frequency in excel sheets?

A: Frequency function can be used to find frequencies in Excel sheets. The frequency function…

Q: ahat is measure of dispersion? explain how it does.

A: Measure of dispersion is part of Descriptive Statistics

Q: Your friend’s office is having a weight loss contest, the winner will get $100. The participants'…

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Q: A pediatrician wants to determine the relation that may exist between a child's height and head…

A: The given data is Height, x Head circumference, y 27 17.5 27.5 17.5 26.75 17.3 26.5 17.3…

Q: Score 30-under 40, frequency 1. Approximately what percent of students got more than 70?

A: Please submit entire data, comprising of values above 70, for the second subpart  to get it…

Q: The number of members in a gym club increased by 40% the first year and then decreased by 6% the…

A: let at the number of members in the gym club are 100the members are increase by 40% in the first…

Q: The model at the right best represents what percentage?

A: Given , A square in which many small squares are present. Now when we count the number of small…

Q: please answer in text form and in proper format answer with must explanation , calculation for each…

A: Calculate the mean intake for each group:Group A: (2 + 2 + 1.5 + 0.75 + 1 + 3 + 3 + 2) / 8 = 15.25 /…

Q: The population of a city increased from 225,000 in 2015 to 248,000 in 2020. Find the relative…

A: A detailed solution is given below.

Q: Q5- Describe in detail different scales of measurement.

A: To answer this we have to know about different scales of measurement.

Q: Explain what is a margin of error. Provide an example from daily life.

A: A margin of error explains how many percentage points our statistic results will differ from the…

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Q: For the relationship between Calories and Carbs, r-squared was = 88.8%.  Describe what r-squared…

A: Regression analysis: The regression analysis is a statistical procedure that allow us to find the…

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Q: An assortment of coins contains 14 pennies, 16 nickels, 9 dimes, and 11 quarters. To three…

A: 1 penny = $0.01 1 nickel = $0.05 1 dime = $0.1 1 quarter = $0.25 Number of coins that have face…

Q: What percent of 40 hours is 110 hours ?

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Q: A percent is a ratio. True False

A: Percent means per hundred or hundredths

Q: percentage change, explain this to me.

A: Percentage change shows that change as a percent of the old value that is

Q: Please explain all work, including use of excel.

A: In summary, the key findings are:(a) The estimated regression equation for predicting the average…

Q: Median household incomes tend to increase from one year to the next. In 2019, the median household…

A: In 2019: The median household income was $64101 in Madison, Wisconsin and $42087 in Milwaukee. In…