(b) The team at the Natural-Life company Roes out to the city to sell daly. John is a member of the team, He dlaims that on average, he sells $50,000 worth of their product to each store that he visits per week. The new manager is wary of this daim and believes he may be overstating his sales. To test the claim, the manager took a random sample of 27 stores that the sales representative usually visits weekly and found that the mean amount earned was $48,950 with a standard deviation of $1,250. At the 0.01 level of significance, can it be concluded that john is overestimated his sales? (e. his sales might be less than he claimed)

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A:

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.