A phlebotomist draws the blood of a random sample of 50 patients and determines

Question

A phlebotomist draws the blood of a random sample of 50 patients and determines their types as shown: O O A A A B O B A O AB B A B AB O O A A O AB O A B A AB A A O A O A O AB A O B A A O O O O A O O A O A O a) Construct a frequency distribution. b) Construct a relative frequency distribution. c) According to the data, which blood type is most common? d) According to the data, which blood type is least common? e) What percentage of the sample that has type O blood? Draw a frequency bar graph g) Draw a relative frequency bar graph In a survey of 20 patients who smoked, the following data were obtained. Each value represents the number of cigarettes the patient smoked per day. 83 92 94 82 73 98 48 85 72 95 89 85 96 89 75 85 63 47 75 82 a) Construct a frequency distribution, using five classes stating with the lower of 47 b) Intruder the relative frequency c) What percentage of the patients who smoked are less than 79? d) Graph the relative frequency histogram and e) Describe the shape of the distribution. (skewed to the left, skewed to the right, or normal)

Explanation / Answer

Type Frequency Relative Frequency

O 20 20/50=0.40

A 19 0.38

B 6 0.12

AB 5 0.10

c) According to data, O is the most common

d) According to data, AB is the least column

e) 40% has O type blood.

Please repost second question individually.

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