Question

Eclosion refers to the emergence of an adult insect from an egg. The following data gives eclosion rates when nymphs were exposed to heat for various durations. Duration (d) 0 1 2 3 5 10 15 Sample size 126 42 47 44 46 42 10 Emerged 107 38 44 40 38 35 7 Carry out a chi-squared test to decide whether it is plausible that eclosion rate does not depend on exposure duration. a. State the appropriate hypotheses. b. Calculate the test statistic value. (X^2)

Name: eclosion refers to the emergence of an adult insect from an egg the following data gives eclosion rates when nymphs were exposed to heat for various durations duration d 0 1 2 3 5 10 15 samp 63294
Uploaded: 2023-11-19T22:25:39-08:00
Duration: 1 min 51 s
Channel: Lien Le
Description: eclosion refers to the emergence of an adult insect from an egg the following data gives eclosion rates when nymphs were exposed to heat for various durations duration d 0 1 2 3 5 10 15 samp 63294

          Eclosion refers to the emergence of an adult insect from an egg.
The following data gives eclosion rates when nymphs were exposed to
heat for various durations.

Duration (d)    
0
1
2
3
5
10
15

Sample size    
126
42
47
44
46
42
10

Emerged    
107
38
44
40
38
35
7

Carry out a chi-squared test to decide whether it is plausible
that eclosion rate does not depend on exposure duration.

a. State the appropriate hypotheses.
b. Calculate the test statistic value. (X^2)

Added by Lori B.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Lien Le

11/19/2023

Step 1

First, we need to state the null hypothesis (H0) and the alternative hypothesis (H1). H0: Eclosion rate does not depend on exposure duration. H1: Eclosion rate depends on exposure duration. b. To calculate the test statistic value (X^2), we need to follow these Show more…

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Eclosion refers to the emergence of an adult insect from an egg. The following data gives eclosion rates when nymphs were exposed to heat for various durations. Duration (d) 0 1 2 3 5 10 15 Sample size 126 42 47 44 46 42 10 Emerged 107 38 44 40 38 35 7 Carry out a chi-squared test to decide whether it is plausible that eclosion rate does not depend on exposure duration. a. State the appropriate hypotheses. b. Calculate the test statistic value. (X^2)