Which of the following is not always true of the correlation coefficient r for variables x and y? m
1.) An r = 0 indicates no correlation between x and y.
2.) If r is positive, the slope of the least-square regression line is positive.
3.) r is between -1 and 1, inclusive.
4.)If the units of either x or y were changed, r would remain the same.
5.) Anr = 11 implies perfect linear correlation between x and y.

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude

Tell whether the two rates form a proportion