Statistics Homework Answers & Questions Page 269

• Blood types A, B, O, and AB have percentages 40%, 20%, 30% and 10%. If two individuals are chosen at random, assuming independence, how do you find probability that neither is of blood type A?

  $10.00

  Statistics

  Waiting for answer

• What are class boundaries in statistics?

  $10.00

  Statistics

  Waiting for answer

• How many different ways can you choose 3 vowels out of the box, if there are 5 vowels in the box and order does not matter?

  $10.00

  Statistics

  Waiting for answer

• What is the importance of a histogram?

  $10.00

  Statistics

  Waiting for answer

• Is temperature a discrete or continuous variable?

  $10.00

  Statistics

  Waiting for answer

• If we remove all of the queens from a 52-card deck, how many unique four card combinations can we have?

  $10.00

  Statistics

  Waiting for answer

• A bowl of fruit is on the table. It contains six apples, two oranges, and four bananas. Daniel and Sean come home from school and randomly grab one fruit each. What is the probability that both grab oranges?

  $10.00

  Statistics

  Waiting for answer

• Is the difference between an OLS regression and a GLS regression qualitative or quantitative?

  $10.00

  Statistics

  Waiting for answer

• How does r squared related to standard deviation?

  $10.00

  Statistics

  Waiting for answer

• What is the mode for the sample 3, 2, 5, 7, 3, 2, 6, 4, 3, 7, 2, 4, 3, 5, 7, 5, 1, 2, 5, 3,7 ?

  $10.00

  Statistics

  Waiting for answer

• What is the average of 10, 18, and 23?

  $10.00

  Statistics

  Waiting for answer

• At a restaurant, you can choose from 2 appetizers, 4 main courses, and 3 desserts. How many different meals, each consisting of one appetizer, one main course, and one dessert, can be created?

  $10.00

  Statistics

  Waiting for answer

• How is the confidence interval formula for the slope similar to other confidence intervals that we have calculated?

  $10.00

  Statistics

  Waiting for answer

• A jewelry box contains two gold hoop earrings and two silver hoop earrings. You randomly choose two earrings. What is the probability that both are silver hoop earrings?

  $10.00

  Statistics

  Waiting for answer

• How do you find the z-score for sample mean M = 90 for a sample of n = 4?

  $10.00

  Statistics

  Waiting for answer

• What is a relative frequency table and what is it used for?

  $10.00

  Statistics

  Waiting for answer

• What is the difference between a discrete random variable and a continuous random variable?

  $10.00

  Statistics

  Waiting for answer

• How do you find the critical value of z alpha /2 that corresponds to the given confidence level of 87%?

  $10.00

  Statistics

  Waiting for answer

• What is the difference between independent events and dependent events?

  $10.00

  Statistics

  Waiting for answer

• Is the number of questions asked during a 1-hr lecture a discrete or continuous variable?

  $10.00

  Statistics

  Waiting for answer

• The median is called a resistant measure, whereas the mean is a non-resistant measure. What's a resistant measure?

  $10.00

  Statistics

  Waiting for answer

• The probability of drawing a green candy from a jar of 20 candies is 1/4. How many yellow candies should be added to the jar in order to reduce the probability to 1/6 ?

  $10.00

  Statistics

  Waiting for answer

• How do I use a frequency distribution to find the class width?

  $10.00

  Statistics

  Waiting for answer

• What is a loaded question?

  $10.00

  Statistics

  Waiting for answer

• What is the mathematical formula for the F-statistic?

  $10.00

  Statistics

  Waiting for answer

• What is the difference between a discrete uniform distribution and a continuous uniform distribution?

  $10.00

  Statistics

  Waiting for answer

• What's the difference between a control, constant, dependent and an independent variable?

  $10.00

  Statistics

  Waiting for answer

• How do you create a boxplot in Excel?

  $10.00

  Statistics

  Waiting for answer

• What is the variance of the standard normal distribution?

  $10.00

  Statistics

  Waiting for answer

• What does it mean when a calculated chi-squared value equals 0 (zero)?

  $10.00

  Statistics

  Waiting for answer

• What is the difference between the R-Squared and adjusted R-Squared when running a regression analysis?

  $10.00

  Statistics

  Waiting for answer

• What is the purpose of an ogive?

  $10.00

  Statistics

  Waiting for answer

• What is the purpose of double blind experiments?

  $10.00

  Statistics

  Waiting for answer

• What is the mode, median, and mean of 3, 12, 11, 7, 5, 5, 6, 4, 10?

  $10.00

  Statistics

  Waiting for answer

• How do you find the z-score for having area 0.09?

  $10.00

  Statistics

  Waiting for answer

• There are 200 students in the 7th class at Manchester Middle School. Of these students, 22% play football and 12% play baseball. Eight students play on both teams. What is the probability that a student plays either football or baseball?

  $10.00

  Statistics

  Waiting for answer

• What is the difference between measures of center and measures of variability?

  $10.00

  Statistics

  Waiting for answer

• What does the Empirical Rule (also called the 68-95-99.7 Rule) tell you about the approximate probabilities for normally distributed values?

  $10.00

  Statistics

  Waiting for answer

• Use the standard normal tables to find ##P(z gt -1.22)##.

  $10.00

  Statistics

  Waiting for answer

• What is the mean, median, and mode for 1,2,1,2,1,3,3,4,3?

  $10.00

  Statistics

  Waiting for answer

• A spinner has equal sections numbered 1-8. If you spin the spinner once, what is the probability that you will not get a 5?

  $10.00

  Statistics

  Waiting for answer

• What is the differences among p hat, po, and the p value ?

  $10.00

  Statistics

  Waiting for answer

• If you don't know the population standard deviation, can you perform a one-sample z test for the mean?

  $10.00

  Statistics

  Waiting for answer

• What does it mean if P(A|B) = P(A) and P(B|A) - P(B)?

  $10.00

  Statistics

  Waiting for answer

• The heights of young women are approximately normal with mean 65 inches and standard deviation 2.5 inches. The heights of men in the same age group have mean (and median) 70 inches. ?

  $10.00

  Statistics

  Waiting for answer

• How do you find the range and interquartile range for 37, 19, 13, 11, 10?

  $10.00

  Statistics

  Waiting for answer

• What does the R-Squared value of a regression refer to?

  $10.00

  Statistics

  Waiting for answer

• What is the mode, median, and mean of 8, 2, 8, 5, 5, 8?

  $10.00

  Statistics

  Waiting for answer

• What is the formula for the chi square test statistic for a goodness of fit test?

  $10.00

  Statistics

  Waiting for answer

• How many times will EcoR1 cut a random 10kb DNA fragment? How does this change for linear or circular DNA?

  $10.00

  Statistics

  Waiting for answer