Madeline Adams

Madeline Adams

Cedarville University

Statistics teacher | Tutor for 9 years

I'm a passionate educator with a focus on Statistics, holding a degree from Cedarville University. My commitment to fostering a deep understanding of the subject drives me to help students grasp complex concepts effortlessly. With a foundation rooted in academia, I bring practical insights to the virtual classroom. Let's embark on a journey of learning and unravel the mysteries of statistics together!


  • How do you estimate the significance of the coefficient from a simple linear regression?
  • What is the variance of {5, 5, 7, 25, 73, 89, 22, 1, 55, 93, 2}?
  • How can regression analysis be used to formulate strategies?
  • What is the variance of {18, 19, 34, 38, 24, 18, 22, 51, 44, 14, 29}?
  • If the radius of the shaded center circle is 2 and the radius of the entire dartboard is 4, what is the probability of throwing a dart and hitting the white part of the board? Round your answer to the nearest whole number.
  • What is the variance of {-7, 8, -9, 10, 12, -14, 8}?
  • What is the variance of {-5, 19, -20, 5, 16, -7, 1}?
  • What is the relationship between the slope of the least squares regression line and the correlation coefficient?
  • What is the probability of rolling doubles on a pair of dice?
  • What is the variance of {-3, -6, 7, 0, 3, -2}?
  • Why doesn't an R-Squared value indicate anything about causation?
  • What does categorical data mean?
  • What is a bimodal graph?
  • Can you determine the correlation coefficient from the coefficient of determination?
  • How do you find the cumulative frequency in a frequency table?
  • What set of seven numbers have the same mean, median, and mode?
  • Anthony enters a fishing contest. After all the fish are measured, it is announced that the mean fish length was 13 inches, with a standard deviation of 4 inches. Anthony's biggest fish measured 19 inches. What is the z-score for his fish's length?
  • How do I calculate and interpret a z-score?
  • How do I find the Z score for a statistic without standard deviation given Pop mean=.05%, n=100, Sample mean of .11%?
  • Human body temperatures are normally distributed with a mean of 98.20 and a standard deviation of 0.62, how do you find the z-score corresponding to a body temperature of 97.93?