I Trying to Predict Weekly Sales with a Standard Error

question 133

Multiple Choice

i. Trying to predict weekly sales with a standard error of estimate of $1,955, we would conclude that 68 percent of the predictions would not be off more than $1,955, 95 percent would not be off by more $3,910, and 99.7 percent would not be off by more than $5,865. ii. A confidence interval can be determined for the mean value of Y for a given value of X.
iii. Approximately 95% of the values lie within two standard errors of the regression line.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Transgendered

Describing someone whose gender identity differs from the sex they were assigned at birth.

Biological Sex

The classification of an individual, typically as male or female, based on biological attributes such as chromosomes, hormones, and reproductive organs.

Gender Identity

An individual's personal sense of their own gender, which may or may not align with the sex they were assigned at birth.

Gender Roles

Social and cultural expectations regarding behaviors, actions, and roles typically associated with one's gender within a society.