Question

Researchers wish to investigate whether the number of goldfish gill movement in 25°C differs from 70 per minute. Using a random sample of 15 independent goldfish they observe sample mean $\bar{x} = 71.46$ and sample standard deviation $s = 2.8$. Assume the number of goldfish gill movement is normally distributed. Is this sample evidence likely or unlikely to occur, if in fact $H_0: \mu = 70$ is true?

Name: Researchers wish to investigate whether the number of goldfish gill movement in 25°C differs from 70 per minute. Using a random sample of 15 independent goldfish they observe sample mean x̅ = 71.46 and sample standard deviation s = 2.8. Assume the number of goldfish gill movement is normally distributed. Is this sample evidence likely or unlikely to occur, if in fact H0: μ = 70 is true?
Uploaded: 2023-09-13T15:53:33-08:00
Duration: 1 min 31 s
Channel: Qudsiya Anis
Description: Researchers wish to investigate whether the number of goldfish gill movement in 25°C differs from 70 per minute. Using a random sample of 15 independent goldfish they observe sample mean x̅ = 71.46 and sample standard deviation s = 2.8. Assume the number of goldfish gill movement is normally distributed. Is this sample evidence likely or unlikely to occur, if in fact H0: μ = 70 is true?

          Researchers wish to investigate whether the number of goldfish gill movement in 25°C differs from 70 per minute. Using a random sample of 15 independent goldfish they observe sample mean $\bar{x} = 71.46$ and sample standard deviation $s = 2.8$. Assume the number of goldfish gill movement is normally distributed. Is this sample evidence likely or unlikely to occur, if in fact $H_0: \mu = 70$ is true?

Researchers wish to investigate whether the number of goldfish gill movement in 25°C differs from 70 per minute. Using a random sample of 15 independent goldfish they observe sample mean x̅ = 71.46 and sample standard deviation s = 2.8. Assume the number of goldfish gill movement is normally distributed. Is this sample evidence likely or unlikely to occur, if in fact H0: μ = 70 is true?

Added by Robert D.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Qudsiya Anis

09/13/2023

Step 1

Step 1: We need to calculate the t-statistic using the formula: t = (x - μ) / (s / √n) where x is the sample mean, μ is the population mean, s is the sample standard deviation, and n is the sample size. Show more…

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Researchers wish to investigate whether the number of goldfish gill movement in 25'C differs from 70 per minute. Using a random sample of 15 independent goldfish they observe sample mean x = 71.46 and sample standard deviation s = 2.8. Assume the number of goldfish gill movement is normally distributed. Is this sample evidence likely or unlikely to occur, if in fact Ho: u = 70 is true?