A Researcher Selects a Sample of 100 People to Investigate

question 40

Multiple Choice

A researcher selects a sample of 100 people to investigate the relationship between gender (male/female) and registering to vote.The sample consists of 40 females,of whom 30 are registered voters,and 60 males,of whom 40 are registered voters.If these data were used for a chi-square test for independence,what is the expected frequency for registered females?

• A)12
• B)28
• C)40
• D)42

---

Definitions:

Required Reserves

The minimum amount of funds that a bank must hold in reserve against deposits, as mandated by the central bank.

Unmasked Input

Unmasked input refers to input data in digital systems that is processed without modification or filtering by a masking operation, meaning all bits in the input are taken into account in the processing.

PL1 Output

In the context of programmable logic controllers (PLCs), PL1 Output might refer to a specific output channel or signal designated as "PL1," used for controlling external devices based on programmed logic.

Data Block

A structured set of data stored in databases or memory, often containing related information for a specific purpose.