Gabriel Allred

The University of Texas Health Science Center at San Antonio

Statistics

Statistics teacher | Verified Expert

With a Statistics major from The University of Texas Health Science Center at San Antonio, my passion lies in demystifying numbers and fostering a deep understanding of mathematical concepts. As an experienced tutor, I excel in breaking down complex statistical theories into digestible bits, empowering students to conquer any data-related challenge. My approach focuses on personalized guidance, tailored to individual learning styles, ensuring every student reaches their full potential. Let's embark on a journey of statistical mastery together.

Questions

Why do the bars touch on a histogram but not on a bar chart?
How do you find the mean median and mode of a histogram?
When would it be appropriate to perform a non-linear transformation on your data?
There are 7 children in a classroom. In how many ways can they line up for recess?
Three darts hit a dartboard. If lowest score was #10#, range is #10# and mean of scores is #15#, what was the score for each of the three darts?
When should you use a random effects model?
What is a one way ANOVA?
I have two servers at a grocery store. P(server 1) is 0.4. P(server 2) is 0.6. P(time is less than 5 min | server 1) is 1. P(time is less than 5 min | server 2) is 4/9. What is P(server 1 | time is less than 5 min)?
How do you calculate outliers when drawing box plots?
A restaurant offers the possibility of 168 three-course dinners. Each dinner has an appetizer, an entrée, and a dessert. If the number of appetizers decreases from 7 to 5, how many fewer possible three-course dinners can the restaurant offers?
What is the probability that in three consecutive rolls of two fair dice, a person gets a total of 7, followed by a total of 11, followed by a total of 7?
What is the variance of the standard normal distribution?
Use the empirical rule to determine the approximate probability that a z value is between -1 and 1 on the standard normal curve.
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. What is the percentage of scores between 80 and 120?
Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If #P(z > b)=0.9706#, what is #b#?
If you roll a die #100# times and get #15# ones, what is the probability that the die is not fair? What about if you get #5# ones?
Casle, Matthew, Nick, Breayn, and Monika are all running for the president, vice president, and secretary for the Spanish Club. How many possible ways can these students be chosen for the positions?
If you roll a die what is the probability getting a number greater than 2?
You are scooping ice cream as part of your training at an ice cream shop. The weight of the scoop must be 4 ounces with an absolute deviation of .5 ounce. What is the maximum and the minimum amount of ice cream that are acceptable?
Four different sets of objects contain 3, 5, 6, and 8 objects, respectively. How many unique combinations can be formed by picking one object from each set?