AP Statistics Review – Chapter 1
... *NOTE: when looking at a graph be sure to check the vertical axis to learn if it is a a) frequency graph – the numbers count the data in each bar b) relative frequency graph – the numbers represent the percent of the data in each bar c) cumulative frequency graph – the numbers represent the TOTAL up ...
... *NOTE: when looking at a graph be sure to check the vertical axis to learn if it is a a) frequency graph – the numbers count the data in each bar b) relative frequency graph – the numbers represent the percent of the data in each bar c) cumulative frequency graph – the numbers represent the TOTAL up ...
Pre-Calculus Unit 2 Section 3.5 Notes – Modeling with
... a) A group of students studied a photograph for 30 seconds. Beginning 1 day later, a test was given each day to test their memory of the photograph. The average score for each day is shown in the table. Use logarithmic regression to model the data. Then use your model to predict the average test sco ...
... a) A group of students studied a photograph for 30 seconds. Beginning 1 day later, a test was given each day to test their memory of the photograph. The average score for each day is shown in the table. Use logarithmic regression to model the data. Then use your model to predict the average test sco ...
Chapter 2 Review Answers (Parts 1 and 2)
... The distribution is skewed to the right since most of the values are 25 minutes or less, but the values stretch up to about 90 minutes. The data are centered roughly around 20 minutes and the range of the distribution is close to 90 minutes. The two largest values appear to be outliers ...
... The distribution is skewed to the right since most of the values are 25 minutes or less, but the values stretch up to about 90 minutes. The data are centered roughly around 20 minutes and the range of the distribution is close to 90 minutes. The two largest values appear to be outliers ...
For a population with a mean of µ=60 and a standard deviation of σ
... 3. The population of SAT scores forms a normal distribution with a mean of µ=500 and a standard deviation of σ=100. If the average SAT score is calculated for a sample of n=25 students, A. What is the probability that the sample mean will be greater than M=510. In symbols, what is p(M>510)? B. What ...
... 3. The population of SAT scores forms a normal distribution with a mean of µ=500 and a standard deviation of σ=100. If the average SAT score is calculated for a sample of n=25 students, A. What is the probability that the sample mean will be greater than M=510. In symbols, what is p(M>510)? B. What ...
Review Janice 2 1. Intelligence Quotient (IQ) in a certain population
... suffering from the disorder have, on average, a lower IQ than the entire population? State your null hypothesis and your alternative hypothesis, and explain your reasoning. ...
... suffering from the disorder have, on average, a lower IQ than the entire population? State your null hypothesis and your alternative hypothesis, and explain your reasoning. ...
2. A university has been tracking the percentage of alumni giving to
... b) Quantitative, because the output of a normally distributed random variable are real numbers 5. The mean time for a racecar driver’s crew to perform a pit stop is 13.2 seconds, with a standard deviation of 0.9 seconds. To maintain his current lead, the driver needs a pit stop in 12.5 seconds or le ...
... b) Quantitative, because the output of a normally distributed random variable are real numbers 5. The mean time for a racecar driver’s crew to perform a pit stop is 13.2 seconds, with a standard deviation of 0.9 seconds. To maintain his current lead, the driver needs a pit stop in 12.5 seconds or le ...