Asked by Victoria Posey on Jul 06, 2024
Verified
A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240.If we want to provide a 95% confidence interval for the population mean SAT score, the degrees of freedom for reading the t value is
A) 60.
B) 61.
C) 62.
D) 63.
Degrees of freedom
The count of independent variables or measurements that can change in an examination while still adhering to all limitations.
Confidence interval
A ladder of figures, gathered from statistical study of a sample, with a probability of including the undetected value of a population parameter.
SAT scores
Standardized test scores used primarily in the United States for college admissions, assessing reading, writing, and mathematical skills.
- Contrast the employment of standard normal distribution against t-distributions when forming confidence intervals.
Verified Answer
Learning Objectives
- Contrast the employment of standard normal distribution against t-distributions when forming confidence intervals.
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