1a statistics instructor wants to know which route will get

Assignment Help Basic Statistics

Reference no: EM13353615

1. A statistics instructor wants to know which route will get her to school the fastest. Each day from October 2 to November 15, when she gets to the turn point she checks the odometer on her car. If it shows an even number she takes the freeway; if it shows an odd number, she takes the in-town route. She records the total time each day. At the end of the study, if she detects a significant difference in time, can she conclude it is due to the route?
A. Definitely not. There are lurking variables such as traffic, road construction, etc.
B. Maybe. There are lurking variables.
C. Yes

2. A drug manufacturer is studying how a new drug behaves in patients. Investigators compare 2 doses, 5 milligrams (mg) and 10 mg. The drug can be administered by injection, skin patch, or intravenous drip. Concentration in the blood after 30 minutes is then measured. The factor(s) in this study are
A. Drug dose.
B. Drug dose and how it's administered.
C. 5 mg by injection, patch or drip and 10 mg by injection, patch, or drip.

3. Sampling variability refers to
A. the idea that different samples will include different individuals.
B. the idea that different samples will give different statistics.
C. the idea that every sample shows variability.

Reference no: EM13353615

Questions Cloud

1a college basketball player makes 80 of his free throws at : 1.a college basketball player makes 80 of his free throws. at the beginning of a game he misses his first two free

1in the 2004 presidential election early exit polls : 1.in the 2004 presidential election early exit polls conducted at key precincts indicated a strong lead for john kerry.

1a small college has 500 freshmen 400 sophomores 350 : 1.a small college has 500 freshmen 400 sophomores 350 juniors and 300 seniors. they wish to conduct a survey of their

1assuming the population is large which sample size will : 1.assuming the population is large which sample size will give the smallest standard deviation to the statistic?a.n

1a statistics instructor wants to know which route will get : 1.a statistics instructor wants to know which route will get her to school the fastest. each day from october 2 to

1there are two statistics classes the first has 250 : 1.there are two statistics classes. the first has 250 students and the second has 200 students. in the first class the

1a simple random sample of 1000 americans found that 61 : 1.a simple random sample of 1000 americans found that 61 were satisfied with the service provided by the dealer from

1a market research company wishes to find out whether the : 1.a market research company wishes to find out whether the population of students at a university prefers brand a or

User Account

All Pages