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- Calculate the mean for the given date set, 23,15,34,16,35,18,28,33,25,45A bank developed a model for predicting the average checking and savings account balance as balance=−18,438+317×age+1,240×years education+0.108×household wealth. a. Explain how to interpret the numbers in this model. b. Suppose that a customer is 27 years old, is a college graduate (so that years education=16),and has a household wealth of $130,000.What is the predicted bank balance?1 According to the Consumer Expenditure Survey, the average American household spent $7,923 on food in 2018. About two-fifths of that amount was spent on eating out at restaurants. Calculate two-fifths of $7,923 to estimate the amount that was spent on eating out. Round to the nearest dollar. $ 1U.S. Bureau of Labor Statistics. (2019). Average expenditure, share, and standard error tables by composition of consumer unit, 2018. Retrieved June 14, 2020, from https://www.bls.gov/cex/tables.htm#annual
- The Pew Research Center surveyed 1,466 U.S. adults in January, 2021 and asked about their use of social media, online platforms, and messaging apps. Select the correct vocabulary word to match the description. a. 1,466 adults surveyed by Pew Research: Select an answer ✓ b. All U.S. adults: Select an answer ✓ c. Proportion of surveyed adults who use Snapchat: Select an answer ✓ Below is a contingency table outlining the number of surveyed adults who use Snapchat. Use Snapchat Do Not Use Snapchat 410 Under 50 years old 50 years or older Total 246 60 306 750 1160 Total 656 810 1466 Determine the following probabilities. Enter your results as percents rounded to one decimal place. You do not need to include the "%" symbol. Hint: Convert to a percent before rounding! a. What is the probability that a randomly selected participant is 50 years or older and uses Snapchat? % b. What is the probability that a randomly selected participant uses Snapchat given that they are under 50 years old? %…Life expectancy in a country a. quantitative variable b. categorical variable that is NOT binary c. categorical variable that is binaryDetermine the number of excess death based on the information below. Expected Death 1,100 Actual Deaths 1,300 Covid Deaths 30
- Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.Quesition is attached thanks!26. A survey conducted by the Bureau of Labor Statistics found that 67% of high school graduating class of 2007 went on to college the following year, while 44% of the class was working. Furthermore, 92% were either in college or working, or both. a. What percentage went on to college and work at the same time? b. What percentage went on to college but not work? c. What percentage were neither in college nor work?
- An epidemiologist plans to conduct a survey to estimate the percentage of women who give birth. How many women must be surveyed in order to be 90% confident that the estimated percentage is in error by no more than one percentage point? Complete parts (a) through (c) below. a. Assume that nothing is known about the percentage to be estimated. n= (Round up to the nearest integer.) b. Assume that a prior study conducted by an organization showed that 83% of women give birth. n= (Round up to the nearest integer.) c. What is wrong with surveying randomly selected adult women? O A. Randomly selecting adult women would result in an overestimate, because some women will give birth to their first child after the survey was conducted. It will be important to survey women who have already given birth. B. Randomly selecting adult women would result in an underestimate, because some women will give birth to their first child after the survey was conducted. It will be important to survey women who…Some states now allow online gambling. As a marketing manager for a casino, you need to determine the percentage of adults in those states who gamble online. How many adults must you survey in order to be 90% confident that your estimate is in error by no more than one percentage point? Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of adults who gamble online. n=0 (Round up to the nearest integer.) b. Assume that 18% of all adults gamble online. n= (Round up to the nearest integer.)A polling company reported that 37% of 1018 surveyed adults said that rising gas prices are "very harmful." Complete parts (a) through (d) below. a. What is the exact value that is 37% of 1018? The exact value is. (Type an integer or a decimal.) b. Could the result from part (a) be the actual number of adults who said that rising gas prices are "very harmful"? Why or why not? O A. No, the result from part (a) could not be the actual number of adults who said that rising gas prices are "very harmful" because that is a very rare opinion. O B. No, the result from part (a) could not be the actual number of adults who said that rising gas prices are "very harmful" because a count of people must result in a whole number. O C. Yes, the result from part (a) could be the actual number of adults who said that rising gas prices are "very harmful" because the results are statistically significant. D. Yes, the result from part (a) could be the actual number of adults who said that rising gas prices…
