In a Forensic Study of the Relation Between Time Since

question 5

Essay

In a forensic study of the relation between time since death (hrs) and the nostril temperature in deer (F) , a regression analysis of y = time since death on x = nostril temperature was performed. Summary quantities from this analysis yield: n = 384 S_xx = 49,999.464 s_e = 1.997 ​
a) Calculate the estimated standard deviation of a + bx* for x* = 80.
b) For what value x* is the estimated standard deviation of a + bx* smallest, and why?

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Definitions:

Trial Balance

A bookkeeping worksheet in which the balances of all ledgers are compiled into debit and credit account columns to ensure their accuracy.

Journalized

The process of recording transactions in the accounting journals as part of the accounting cycle.

Trial Balance

A bookkeeping worksheet listing the balances of all ledgers in two columns, debits, and credits, to ensure entries are recorded correctly.

Journal Amounts

Journal amounts represent the values recorded in a financial journal, depicting transactions in monetary terms for accounting purposes.