The Snowfall (In Inches) During the Month of January in a Particular

question 48

Essay

The snowfall (in inches) during the month of January in a particular geographic region is normally distributed with a standard deviation of 16.75. In the last 12 years, the sample average of snowfall is computed as 122.50.
A) Construct a 90% confidence interval of the average snowfall in this region.
B) Construct a 95% confidence interval of the average snowfall in this region.
C) Comment on the width of the preceding confidence intervals.

• A) Construct a 90% confidence interval of the average snowfall in this region.
• B) Construct a 95% confidence interval of the average snowfall in this region.
• C) Comment on the width of the preceding confidence intervals.

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Definitions:

Verbs

A class of words that denote action, occurrence, or a state of being.

Function Morpheme

A morpheme that, while adding such content as time, mode, individuation, and evidentiality, also serves a grammatical purpose (e.g., the suffixes -s and -er, or the connecting words and or if).

Content Morpheme

A morpheme that carries the main semantic and referential content of a sentence. In English content morphemes are usually nouns, verbs, adjectives, or adverbs.

Content Phoneme

The smallest unit of sound that can change the meaning of a word, emphasizing the informational component of speech sounds.