21teunissen149

02.10.2019 • 

Mathematics

Lesson 2.1 - relationships between two categorical variables
application 2.1 which finger is longer
is there a relationship between gender and relative finger length? to investigate, a
random sample 452 u.s. high school students was selected. the two-way table shows
the gender of each student and which finger was longer on their left hand (index finger
or ring finger).
index finger
longer ring finger
fingers
same length
total
gender
female male | total
78 45 123
82 152 234
52
212 240 452
43
96
1. make a segmented bar chart to show the relationship between gender and relative
finger length

Ответ:

jasminecoronetti44

10.10.2020

Mathematics

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37.69    (≈ 38 ft²)

Step-by-step explanation:

2πr = 30.77

r = 30.77 / (2 * 3.14) = 4.9

half of free-throw circle area: πr² / 2 = (3.14 * 4.9²) / 2 = 37.69    (≈ 38 ft²)

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