1. The following data table is obtained by a fourth grader on his science project, "Exploding Foam." He poured 1/2 tea-spoon of baking soda and 1/8 tea-spoon of laundry detergent into 1/4 cup (50ml) of vinegar of various temperature, and measured the volume of the foam. Num. Temp. Vol. Num. Temp. Vol. Num. Temp. Vol. 1 45.5°F 250ml 41.4°F 175ml 43.0°F 300ml 44.6°F 350ml 52.0°F 300ml 6. 71.9°F 400ml 48.5°F 250ml 96.6°F 550ml 7 44.1°F 500ml 8 52.4°F 300ml 9. 10 57.9°F 300ml 11 75.1°F 450ml 12 13 123.6°F 600ml 14 120.1°F 600ml 15 104.6°F 550ml 16 89.3°F 500ml 17 101.1°F 400ml 18 94.4°F 550ml 19 94.3°F 550ml Mean SD Cor (a) Find the means (i and g). (b) Find the standard deviations (s, and s,). (c) Find the correlation coefficient (r).
1. The following data table is obtained by a fourth grader on his science project, "Exploding Foam." He poured 1/2 tea-spoon of baking soda and 1/8 tea-spoon of laundry detergent into 1/4 cup (50ml) of vinegar of various temperature, and measured the volume of the foam. Num. Temp. Vol. Num. Temp. Vol. Num. Temp. Vol. 1 45.5°F 250ml 41.4°F 175ml 43.0°F 300ml 44.6°F 350ml 52.0°F 300ml 6. 71.9°F 400ml 48.5°F 250ml 96.6°F 550ml 7 44.1°F 500ml 8 52.4°F 300ml 9. 10 57.9°F 300ml 11 75.1°F 450ml 12 13 123.6°F 600ml 14 120.1°F 600ml 15 104.6°F 550ml 16 89.3°F 500ml 17 101.1°F 400ml 18 94.4°F 550ml 19 94.3°F 550ml Mean SD Cor (a) Find the means (i and g). (b) Find the standard deviations (s, and s,). (c) Find the correlation coefficient (r).
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Please answer question 1: A-C. Please show work if able! Thank you!
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Let X be the temperature in o F and
Y be the volume ml
n = number of observations = 19
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