STAT 101CHAPTER 5 HW QUESTIONS WITH
VERIFIED CORRECT ANSWERS.ALREADY
GRADED A+
0.4 standard deviations above the mean. - answer ✔✔-The z-score for a particular observation is z = 0.4.
This means the observation is
1.2 standard deviations below the mean. - answer ✔✔-The z-score for a particular observation is z = -
1.2. This means the observation is
1.71 - answer ✔✔-In a sample of 25 male newborns, the mean birth weight was 3.4 kg and the standard
deviation was 0.35 kg.
The z-score for a birth weight of 4.0 kg is __________. Round your answer to 2 decimal places.
-2.57 - answer ✔✔-In a sample of 25 male newborns, the mean birth weight was 3.4 kg and the
standard deviation was 0.35 kg.
The z-score for a birth weight of 2.5 kg is __________. Round your answer to 2 decimal places.
The daughter - answer ✔✔-The height of adult women is thought to have a mean of 65 inches and a
standard deviation of 2.5 inches. The height of adult men is thought to have a mean of 71 inches and a
standard deviation of 3 inches.
In the same family, the son is 73 inches tall and the daughter is 67 inches tall. Who is taller among their
gender, the son or daughter?
VERIFIED CORRECT ANSWERS.ALREADY
GRADED A+
0.4 standard deviations above the mean. - answer ✔✔-The z-score for a particular observation is z = 0.4.
This means the observation is
1.2 standard deviations below the mean. - answer ✔✔-The z-score for a particular observation is z = -
1.2. This means the observation is
1.71 - answer ✔✔-In a sample of 25 male newborns, the mean birth weight was 3.4 kg and the standard
deviation was 0.35 kg.
The z-score for a birth weight of 4.0 kg is __________. Round your answer to 2 decimal places.
-2.57 - answer ✔✔-In a sample of 25 male newborns, the mean birth weight was 3.4 kg and the
standard deviation was 0.35 kg.
The z-score for a birth weight of 2.5 kg is __________. Round your answer to 2 decimal places.
The daughter - answer ✔✔-The height of adult women is thought to have a mean of 65 inches and a
standard deviation of 2.5 inches. The height of adult men is thought to have a mean of 71 inches and a
standard deviation of 3 inches.
In the same family, the son is 73 inches tall and the daughter is 67 inches tall. Who is taller among their
gender, the son or daughter?
