The Average Grade of a Sample of 25 Students on Their

question 39

Essay

The average grade of a sample of 25 students on their second statistics examination was 85 with a standard deviation of 9. Is the variance of the population significantly more than 80? Use a 0.05 level of significance.

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Definitions:

Small Market Segment

A narrowly defined group of customers within a larger market, often characterized by unique preferences or needs.

Repositioning

The process of changing the market's perception of a product or brand, often involving changes in its marketing mix.

Digital Campaign

A marketing effort using digital channels, such as social media and email, to promote a product, service, or brand.

Remarketing

A strategy to re-engage users who have previously interacted with a brand or website, often using targeted ads.