Special senses 4.1: Eye and vision Revision questions: If the ciliary muscles relax, zonular fibres are __________ and the lens is ____________. What three adjustments occur when looking at objects….
How does the normal curve help you understand what this means about how Emily compares to other children who took the test?
Identify whether each research scenario listed in the left column of the top of the matrix, would be a one- or two-tailed test and then justify your decision. For each research scenario in the bottom of the matrix, write what the null and alternative hypotheses would be.
|Research Scenario||One-tail or two-tail test||Justification|
|A local dermatologist claims that 30% of mole biopsies are unnecessary. Last month at his clinic, 210 out of 634 had benign biopsy results. Is there enough evidence to reject the dermatologist’s claim?|
Discussion Question 1.
Respond to the following in a minimum of 175 words:
Emily is a fifth-grade student who completed a standardized reading test. She scored one standard deviation above the mean score.
Answer the following questions in a paragraph:
- How does the normal curve help you understand what this means about how Emily compares to other children who took the test? Explain how you determined your findings.
- What percentage of children scored lower than Emily?
- What percentage of children scored higher?