Nicole is interested in horses, and she reads some interesting tidbits of information about them. For example, did you know that the most common color of a horse is “bay.” This means they have brown bodies with a black mane, tail, and lower legs, like the horse pictured to the right. Nicole also reads that the length of horse pregnancies from conception to birth have an average (mean) of about 340 days with a standard deviation of 12.2 days. One study on a sample of 45 horses found that they had a mean of 15 foals (babies) during their lifetime, with a standard deviation of 5 foals. i. Which of the following statements is a parameter? A. the most common color of a horse is “bay.” B. the length of horse pregnancies from conception to birth have an average of about 340 days C. One study on a sample of 45 horses found that they have a mean of 15 foals (babies) during their lifetime D. both A and B are parameters Answer: ii. What kind of categorical data did Nicole find? A. that the most common color of a horse is “bay” B. that horse pregnancies last an average of about 340 days from conception to birth C. that horses have a mean of 15 foals during their lifetime D. that the standard deviation of horse pregnancies is 12.2 days Answer:
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Read the information below carefully. Then answer the questions that follow by typing in the letter of the correct response.
Nicole is interested in horses, and she reads some interesting tidbits of information about them. For example, did you know that the most common color of a horse is “bay.” This means they have brown bodies with a black mane, tail, and lower legs, like the horse pictured to the right.Nicole also reads that the length of horse pregnancies from conception to birth have an average (
mean ) of about 340 days with a standard deviation of 12.2 days. One study on a sample of 45 horses found that they had a mean of 15 foals (babies) during their lifetime, with a standard deviation of 5 foals.i. Which of the following statements is a parameter?
A. the most common color of a horse is “bay.”
B. the length of horse pregnancies from conception to birth have an average of about 340 days
C. One study on a sample of 45 horses found that they have a mean of 15 foals (babies) during their lifetime
D. both A and B are parameters
Answer:
ii. What kind of categorical data did Nicole find?
A. that the most common color of a horse is “bay”
B. that horse pregnancies last an average of about 340 days from conception to birth
C. that horses have a mean of 15 foals during their lifetime
D. that the standard deviation of horse pregnancies is 12.2 days
Answer:
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