Over the past 11 days, Ivanna studied a total of 44 hours. What is the mean amount of time she studied per day? ☐ hours

Q: You ask a small sample of 5 students what percentage score they obtained in a recent exam and how…

A: The independent variable is Time spent studying. The dependent variable is Exam score. We have to…

Q: Identify the level of measurement for data that are cooling temperatures (in degrees Fahrenheit) for…

A: Introduction: Levels of measurement: Nominal: When the possible observations are tags or categories…

Q: 4/11 times 8/11

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Q: How do I use a ti 84 plus calculator to find population proportion

A: A population proportion is a fraction of the population that has a certain characteristic. Suppose x…

Q: In 2017, 77 out of 100 Americans claimed to have read at least one book during the year. Write this…

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Q: According to the American Wind Energy Association, wind energy operating capacity increased from…

A: You have asked multiple unrelated questions in the same post. I have addressed the first one. Please…

Q: The table summarizes results from 985 pedestrian deaths that were caused by automobile accidents.

A: Solution: The given table of data is

Q: Explain crude birth rate and give. its merits and demerits.

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Q: PART B (3.21x1043.21×104 )(0.2506) Express your answer in appropriate significant figures.…

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Q: e past month, the 500 customers have downloaded the following number of songs from WalMart's website…

A: The data can be represented in table as:

Q: how many defective bulbs would there be in a lot of 2000 bulbs.?

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Q: the percentage of us deaths due to diabetes in that year is

A: Let W : White who died,    B : Black who died,     A : Asian who died,        then it is given…

Q: Last weekend, police ticketed 18 men whose mean speed was 113 kilometres per hour (kph), and 32…

A: Given information: Number of men ticketed by police last weekend, n1=18 The mean speed of men was,…

Q: what percentage of pregnancies last longer than 279 days?

A: The given mean 266 days and standard deviation 13 days.

Q: according to cdc a 6 month old male whose head circumference is 45.1 centimeters is at 78th…

A: Here we want to explain 78th percentile.

Q: Explain THREE F TESTS.

A: The three F-tests are Ratio of two population variance One-Way ANOVA Partial F-Test

Q: AN OUTDOOR HOT DOG VENDOR SELLS AN AVERAGE OF 60  HOT DOGS PER DAY IN DRY WEATHER AND AN AVERAGE OF…

A: The outdoor hot dog vendor sells an average of 60 hot dogs per day in dry weather and an average of…

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

A: Measure of dispersion is part of Descriptive Statistics

Q: On his 5 tests, Ahmad earned a total of 450 points. What was his mean number of points earned per…

A: The objective of this question is to find the mean number of points Ahmad earned per test. The mean…

Q: The New Yorker on March 29, 2010 James Surowicki wrote that the 25 million iPhones Apple sold in…

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Q: Determine the standard deviation in the total waiting time.

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Q: If the average time for a fifth grader to run a mile is 8.50 minutes (s = 1.25), what percentage of…

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Q: The Institute of Education Sciences measures the high school dropout rate as the percentage of…

A: Given:n =  1000Population Proportion, p = 8.1% = 0.081Significance level, α = 5% = 0.05

Q: the average (mean) score on an exam was 76.52 in a class consisting of 14 supply chain students and…

A: Answer:- Given, A class consisting of 14 supply chain students and 11 HR students.  That is, Total…

Q: What is the percent of deaths in 2003, or after 2010?

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Q: Calculate the Percentile Rank for a student who becomes fourth (4th) in terms of the GPA categorized…

A: The formula for percentile rank of score is, Percentile rank of score=Number of values below…

Q: , 160, 175, 162, 180, 240. The respective after weights are 142, 171, 162, 142, 171, 235.

A: before  after  150 142 160 171 175 162 162 142 180 171 240 235 Here each sample,…

Q: Why is the sum of the sum of six deviations -2, -1, -1, -1, 0, 5 when added =0?

A: Solution:It is one of the property of sample mean that the sum of deviations above average and the…

Q: The length of time a person shops for groceries can be modeled by an exponential distribution with…

A: Given, Let X be the length of time. X is exponentially distributed Average= 27 mins

Q: -1.84 - ( -6.3)

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Q: calculate the number of patients who are continent and incontinent at 3 months in each group by…

A: Contingency table are used to measure the frequency or count of the data set. It is also known as…

Q: The mean of 200 observations was 80, later on, it was found that two  observations were misread as…

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Q: A car dealer sells K cars in a year. what is the monthly average for the number of cars sold?

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