Which is a statistical question? How old was George Washington when he became president? How many pens are inside each of my classmates desks? How many balloons came in the package that you bought? How many touchdowns did you score in yesterday's game?

Q: Can you give the statistical table you have used to get the 1.96? Thank you.

A: Given that, The confidence level is, 0.95 The level  of significance is,

Q: Find the variance of the given population: -8, 9, 10, -10, 7, 6, 4, 3 O 7.07 O 7.56 O 57.13 O 49.98

A: Given : -8,9,10,-10,7,6,4,3

Q: 1. How many jobs are being considered in the histogram? 2. How many jobs grant over $35,000? 3. What…

A: note :s As per our company guidelines we are supposed to answer ?️only first 3 sub-parts. Kindly…

Q: While estimating from a sample, you should always try to get a biased B,. Is this correct? O Yes O…

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Q: A professor at a large community college wanted to determine whether there is a difference in the…

A: Let µ1 , µ2 be the means of Online classes and face to face classes exam scores respectively. d.…

Q: 5. It is commonly thought that SUVS and vans are safer than cars. If an SUV and a car are in a…

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Q: A bookstore found out that 23% of their customers buy a book, 34% of their customers buy two books,…

A: Given: Let X represents the number of books that customers buy. The random variable X can take…

Q: composed of international students. Which one of the following numbers is a statistic?

A: A parameter is a measure which us based on whole population. A statistic is a measure which is based…

Q: What is the mean of the data below? The following are the scores of grade 10-Caluag in a 30-item…

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Q: (a) What response represents the 85th percentile? (b) What response represents the 63rd percentile?…

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Q: A research company claims that 55% of American watch TV. You test this claim by randomly sampling…

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Q: What is the test statistics? From the problem in the picture

A: Given - n1=20, x1=8.2, s1=5.9n2=30, x2=5.6, s2=5.7

Q: (c) If we do not assume that the histogram is bell-shaped, at least what percentage of the sample…

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Q: a. Which age group typically has the highest rate of obesity? b. Comment on any similarities and…

A: The bar plot has been provided to find out conclusion

Q: What is the sample mean? O a. 4.0 O b. 4.1 O c. 4.3 O d. 4.2

A: Given:   Sample drawn from normal distribution. Sample, x 4.1 4.2 3.9 3.8 4.5

Q: Is there a significant difference between genders in self-reported math achievement measures? Yes, p…

A: The test is two tailed test.

Q: His .A Mean of population .B Mean of sample .C mode I need answer within 3 minutes with my best…

A: The solution is given below.

Q: how many sports played male vs female based on the data

A: Given, The number of sports played by the students: Grade Number of students 9 16 10 13 11…

Q: Does the sample size have an effect on the mean of all possible sample means? Explain your answer.

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Q: Is the sample mean always the most frequently occurring value? If so, explain why. If not, give an…

A: No, Sample Mean is not the most frequent Occuring Value.   Mean= Sum of Observations / No.of…

Q: What number completes the folloming distribution containing 3 trials? P(X) 0.25 0.35 0.30

A: Given data, What is the probability that distribution contains 3 trials?

Q: What statistic would you use if you wanted to see if there was a difference between three ethnic…

A: Here we can assume that the math achievement is somehow measured using a quantitative data be it…

Q: You randomly sample 282 sexually active individuals and collect information on their HIV status and…

A: Null hypothesis: H0:  There is no relationship between HIV status and History STDs. Alternative…

Q: Fill in the anova table   Source   SS   df   MS       F effect    500   2     ?          ? error…

A: Let K be the number of elements in effect N be the total number  Farmula used F=MSeffect/MSerror

Q: How many different arrangements can be formed from the word STATISTICS?

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Q: a) What is the sample average of the six values above? 056.17 050.17 055.67 061 058

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Q: Gasoline prices (per litre) for the last five weeks were P50.95, P51.25, P52.50 P49.30 and P51.70.…

A: We want to calculate the sample variance

Q: Explain Properties of the Sample Mean?

A: Mean: The arithmetic mean(also called the mean) is the most commonly used measure of central…

Q: a) The middle 50% of responders were within how many years of one another? b) In which quartile are…

A: here from given  Box plot  minimum = 17  Q1 =  18  Q2 =  22  Q3 = 25 Maximum =  31

Q: 10 8 0 5 10 15 25 30 35 20

A: Determine if the process appears to be within statistical control. If not, state the reason why not.

Q: Can you please explain the process of solving this part of a statistics question? Specifically…

A: Solution: The above  information represents  the calculation of Test statistic for population…

Q: The students in an Introductory Statistics class are asked to complete a survey about study habits.…

A: Simple random sampling: A simple random sample of size n is collected from a large population where…

Q: A set of N-8 scores has a mean of a 11. 16 points are added to one of the scores, what is the new…

A: Here we need to choose from the correct option.

Q: C) Which of the following questions would the researcher not be able to explore using a 2 proportion…

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Q: WHAT IF? You want to estimate the number of twelfth-grade students in a high school who ride a bus…

A: Unbiased: An estimator or decision rule with zero bias is called unbiased.

Q: answer a A. the national percentage of automobile accident fatalities which are alcohol related is…

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Q: Consider the data set {6,6, 9, 2, 5}. What is the population variance for this set? Round your…

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Q: e. What information can be given from using standard scores?

A: The information obtained using  standard scores should be explained for the given scenario.

Q: A random sample of employees participating in a company fitness program were asked how many days…

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Q: Find the variance of the given population: -8, 9, 10, -10, 7, 6, 4, 3 O 7.07 O 49.98 O 57.13 O 7.56

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Q: You answered this question: What is the Sample Variance for the following numbers: 52, 62, 52, 45,…

A: Given52, 62, 52, 45, 41

Q: • Scientists asked participants how much water they drank over the last 7 days. This is an example…

A: Observational study: In this case, the individuals of the study are observed by the researcher. The…

Q: 4. What is the mean for the following scores? Scores: 1, 4, 13

A: We need to find the mean of the given scores  Scores: 1, 4, 13 we will use the formula for mean…

Q: If I'm doing hypothesis testing on the amount (percentage) of americans who have a college degree,…

A: We are testing the amount (percentage) of Americans who have college degrees.   Here we use the…

Q: What the variance for the following sample of n = 3 scores? Scores: 1, 4, 7 06 15

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Q: from the letters of the word STATISTICS?

A: Given the letters of the word STATISTICS

Q: Using the sample from the 100 restaurants, what is the test statistic? -1.45. 1.45. -0.145. 0.145.

A: Given that  Hypothesized Population Mean (\mu)(μ) = 13.0413.04 Sample Standard Deviation (s)(s)…

Q: A researcher is curious about the average monthly car insurance bill for high school students in the…

A: Given Information: A researcher is curious about the average monthly car insurance bill for high…

Q: Health officials from DOH who have studied a particular virus say that 50% of all the Filipino…

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