Answer:
21C
22D
23B
24C
25A
Step-by-step explanation:
Answer: They have xylem vessels and phloem vessels
Step-by-step explanation:
Answer:
Is this a multiple choice?
Step-by-step explanation:
Answer: 0.3048
Step-by-step explanation:
Answer:
(B) The correct interpretation of this interval is that 90% of the students in the population should have their scores improve by between 72.3 and 91.4 points.
Step-by-step explanation:
Confidence interval is the range the true values fall in under a given <em>confidence level</em>.
Confidence level states the probability that a random chosen sample performs the surveyed characteristic in the range of confidence interval. Thus,
90% confidence interval means that there is 90% probability that the statistic (in this case SAT score improvement) of a member of the population falls in the confidence interval.