Answer:
a. Describing a sample with mean and standard deviation.
Step-by-step explanation:
Statistics can be categorized into descriptive and inferential statistics.
descriptive statistics uses data for descriptions through numerical analysis. It can be further divided in four parts.
- Measures of Central Tendency ( Mean, Median, and Mode)
- Measures of Frequency (Count, Percent, Frequency)
- Measures of Position (Percentile Ranks, Quartile Ranks.)
- Measures of Dispersion ( Range, Standard Deviation)
Inferential statistics however is based on assumptions and conclusions and generalizations drawn from samples or checks.
options b to d are all examples of inferential statistics while option a is an example of descriptive statistics.
Answer:
Step-by-step explanation:
y=-4x-16
Step-by-step explanation:
Answer: The parabola is wider than the parent function
<u>Step-by-step explanation:</u>
If "a" is a fraction less than one, then the parabola becomes wider.
See graph (attached)
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Answer:
y-intercept: (0,5)
x-intercept: (5/2,0)
Step-by-step explanation:
<-- y-intercept: (0,5)
<-- x-intercept: (5/2,0)
