A research wants to determine if pre-natal exposure to the hormones in birth control pills alters the sex makeup of midshipman fish populations (which are typically half male and half female). Specifically, the researcher wishes to test the hypothesis that exposure to hormones will increase the number of females in the population. The researcher exposes a group of pregnant midshipman fish to birth control hormones and records the sex of the first 7 offspring birthed. They then observe that 2 are female. Use a sign test to test the indicated hypothesis. What is the obtained value?

A research wants to determine if pre-natal exposure to the hormones in birth control pills alters the sex makeup of midshipman fish populations (which are typically half male and half female). Specifically, the researcher wishes to test the hypothesis that exposure to hormones will increase the number of females in the population. The researcher exposes a group of pregnant midshipman fish to birth control hormones and records the sex of the first 7 offspring birthed. They then observe that 2 are female. Use a sign test to test the indicated hypothesis. What is the obtained value?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 27PPS

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Question

A research wants to determine if pre-natal exposure to the hormones in birth control pills alters the sex makeup of midshipman fish populations (which are typically half male and half female).
Specifically, the researcher wishes to test the hypothesis that exposure to hormones will increase the number of females in the population.

The researcher exposes a group of pregnant midshipman fish to birth control hormones and records the sex of the first 7 offspring birthed.
They then observe that 2 are female.

Use a sign test to test the indicated hypothesis.
What is the obtained value?

Expert Solution