# CA Foundation Maths, Statictics, Logic, and Reasoning: Questions 70 - 75 of 154

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## Question number: 70

MCQ▾

### Question

The LCB (Lower Class Boundary) is

### Choices

Choice (4) Response

a.

An upper limit to LCL (Lower Class Limit)

b.

A lower limit to LCL

c.

Question does not provide sufficient data or is vague

d.

None of the above

## Question number: 71

MCQ▾

### Question

When we are not concerned with the magnitude of the two variables under discussion, we consider

### Choices

Choice (4) Response

a.

Product moment correlation coefficient

b.

Rank correlation coefficient

c.

Coefficient of concurrent deviation

d.

All of the above

## Question number: 72

MCQ▾

### Question

If all the observations are increased by 10, then

### Choices

Choice (4) Response

a.

Quartile deviation would be increased by 10

b.

SD would be increased by 10

c.

remain unchanged.

d.

Mean deviation would be increased by 10

## Question number: 73

MCQ▾

### Question

Which method of data collection covers the widest area?

### Choices

Choice (4) Response

a.

Mailed questionnaire method

b.

Telephone interview method

c.

Direct interview method

d.

Question does not provide sufficient data or is vague

## Question number: 74

MCQ▾

### Question

What is spurious correlation?

### Choices

Choice (4) Response

a.

It is a negative correlation.

b.

It is a bad relation between two variables.

c.

It is very low correlation between two variables.

d.

It is the correlation between two variables having no causal relation.

## Question number: 75

MCQ▾

### Question

Parameter is a characteristic of

### Choices

Choice (4) Response

a.

Probability distribution.

b.

Sample

c.

Population

d.

All of the above

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