Statistics
posted by Olivia .
the mean age for 12 students in a math class is 20. 2 older students, age 32 and36, respectively enroll. what is the new mean age for the class?
Respond to this Question
Similar Questions

statistics
The average age of statistics students nationwide is 22. The standard deviation is 2.5 years. Assume the age is a normally distributed variable. Find the probability that one student selected at random is older than 23. Find the probability … 
statistics
The average age of evening students at a local college has been 21. A sample of 19 students was selected in order to determine whether the average age of students had increased. The average age of the students in the sample was 23 … 
statistics
A group is studying age distribution of people living in town. The mean age is 45, the modal age is 59, the median age is 56, the range is 96, and the standard deviation is 20.5. Is the data positively or negatively skewed 
Math
The mean age of a class of twenty five students is 23.4 years. How old would a twenty sixth student have to be for the mean age of the class to be 24.0 years? 
maths
The mean age of 30 students in a class is 14 years .5 students with mean of 15 years left the class. Find the mean age of the remaining students? 
statistics
Suppose that two employees have to be fired from a group of seven: • Amy, female, age 35 • Bob, male, age 41 • Chad, male, age 43 • Diana, female, age 44 • Elvis, male, age 49 • Frank, male, age 61 • Ginger, female, age … 
Math
Ages If someone said that the mean age of everyone in your algebra class is about 16 1/2 years,do you think the age of the teacher was included in the calculation ? 
Math Statistics
5. Students in an introductory statistics class were asked to report the age of their mothers when they were born. Summary statistics include Sample size: 36 students Sample mean: 29.643 years Sample standard deviation: 4.564 years … 
ecology
how do you construct a age pyramid. i have the age class and observed individuals how do i get the present in each age class 
Statistics
A class consists of 9 students with an average age of 40. When the Instructor arrives the average age of the students and the Instructor is 41. What is the age of the Instructor?