Two friends, Karen and Jodi, work different shifts for the same ambulance service. They wonder if the different shifts average different numbers of calls. Looking at past records, Karen determines from a random sample of 35 shifts that she had a mean of 5.2 calls per shift. She knows that the population standard deviation for her shift is 1.3 calls. Jodi calculates from a random sample of 34 shifts that her mean was 4.8 calls per shift.

Which factor most strongly influences a biome's climate? a- the culture of the people living in the area. b-the diet of the people living in the area. c-the areas plant life. d-the areas geography.

If you walk up stairs,how u gonna pet yo dog? if you go to colloge,how you gonna fly? if you like school how u gonna be a person?

Ahigh school teacher wants to study the seating habits of students in the cafeteria to determine if students sit in the same seats or change seats from day to day. she sits in the cafeteria for several days, and without interacting with the students, records where they sit each day. what is a potential benefit of this type of research? there is an independent variable. there is a dependent variable. the researcher can gain personal information about an individual. the participants act normally. the information can be gathered over a period of several years.