One of the measures of the effectiveness of a stimulus is how much the viewers pulse rate increases on exposure to it. In testing a lively music theme for its television commercials, an advertising agency shows ads with the new music to 25 viewers and their mean pulse rate is 20.5 beats per minute while the mean pulse rate per minute for a comparable sample of 25 viewers seeing the same ads with the old music was 16.9 beats per minute. Is the new music theme better

typically if you want , you would actually put questions here for us to you. but hey, that's just me. maybe someone will magically answer the questions for you without knowing what they are.

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest

3/5

step-by-step explanation:

double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.