Measurements are made at two different times. Find the absolute change and then find the percentage change. If necessary, round your answers to one decimal place.In the last election, in a certain city the percentage of eligible voters who voted in the local election was 66.2%. This year, the percentage fell to 50.2%.
Find the median for the given sample data.The salaries of te…
Find the median for the given sample data.The salaries of ten randomly selected doctors are shown below.$111,000, $139,000, $151,000, $239,000, $201,000,$119,000, $125,000, $853,000, $237,000, $162,000
Construct a pie chart representing the given data set. FA…
Construct a pie chart representing the given data set. FAVORITE FOOD NUMBER OF RESPONSES Chinese 46 Indian 30 Mexican 48 Thai 36
Identify the distribution as symmetric, left-skewed, or righ…
Identify the distribution as symmetric, left-skewed, or right-skewed.Lengths of human pregnancies
Solve the problem.The students in Hugh Logan’s math class to…
Solve the problem.The students in Hugh Logan’s math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score. Round your answer to the nearest tenth.529, 579, 350, 349, 536,344, 360, 618, 470, 482
A sample statistic and margin of error are given. Find the c…
A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameter of interest and answer the question.In a survey conducted in a certain city it was found that 3.2% of men and 4.1% of women were unemployed. The margin of error for each report was 0.6 percentage points. Use each sample statistic to find a confidence interval. Can we conclude that the unemployment rate is higher amongst women than amongst men?
A sample statistic and margin of error are given. Find the c…
A sample statistic and margin of error are given. Find the confidence interval likely to contain the population parameter of interest and answer the question.Ten years ago, according to government records, 17% of the population of Elmwood had no health insurance. This year a poll revealed that 19.9% were without insurance. The margin of error was 2.8 percentage points. Find a confidence interval for the true percentage without insurance this year. Can we conclude that the percentage without insurance has increased from ten years ago?
Use the range rule of thumb to approximate the standard devi…
Use the range rule of thumb to approximate the standard deviation.The race speeds for the top eight cars in a 200-mile race are listed below. Round results to the nearest tenth.183.2, 175.8, 189.2, 183.4, 175.6, 178.3, 186.1, 177.9
Solve the problem.The regular selling price of an item is $1…
Solve the problem.The regular selling price of an item is $150. For a special year-end sale the price is at a markdown of 20%. Find the discount sale price.
Use the graph to answer the question.What was the revenue fo…
Use the graph to answer the question.What was the revenue for the third quarter of 1999?