A Recent Study Focused on the Number of Times Men

question 53

Multiple Choice

A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized here. At the 0.01 significance level,is there a difference in the mean number of times men and women send a Twitter message in a day? Based on the p-value,what is your conclusion?

• A)Reject the null hypothesis and conclude the means are different.
• B)Reject the null hypothesis and conclude the means are the same.
• C)Fail to reject the null hypothesis.
• D)Fail to reject the null hypothesis and conclude the means are different.

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Definitions:

Energizing

The act of supplying electrical power to a circuit, device, or system, bringing it to a state of operational readiness.

Normally Open

A term describing a contact or switch that is disconnected in its default state and requires activation to close the connection.

XIO Instruction

An instruction used in PLC programming representing "Examine if Off", used to check if a specific input or bit is off or false.