Introductory Business Statistics International Edition 7th Edition by Ronald M. Weiers-Test Bank

Test Bank For Introductory Business Statistics International Edition 7th Edition by Ronald M. Weiers

ISBN-053845217X , ISBN-13:978-0538452175

Chapter 3: Statistical Description of Knowledge

TRUE/FALSE

1.True or False

Traits of the inhabitants are known as parameters, whereas traits of the pattern are known as statistics.

ANS: T PTS: 1 OBJ: Part 3.1

2.True or False

When a distribution has extra values to the left and tails to the proper, we are saying it’s skewed negatively.

ANS: F PTS: 1 OBJ: Part 3.2

3.True or False

When a distribution has extra values to the proper and tails to the left, we are saying it’s skewed positively.

ANS: F PTS: 1 OBJ: Part 3.2

4.True or False

The weights for a weighted imply calculation should sum as much as 1.0.

ANS: F PTS: 1 OBJ: Part 3.2

5.True or False

The mode is outlined as the worth that has simply as many values above it because it has under it.

ANS: F PTS: 1 OBJ: Part 3.2

6.True or False

Measures of dispersion describe typical values within the information.

ANS: F PTS: 1 OBJ: Part 3.3

7.True or False

The midrange is the typical of the 2 center information values.

ANS: F PTS: 1 OBJ: Part 3.3

8.True or False

Percentiles divide the values into 100 components of equal dimension, every comprising 1% of the observations.

ANS: T PTS: 1 OBJ: Part 3.3

9.True or False

The imply of a set of values describes the fiftieth percentile.

ANS: F PTS: 1 OBJ: Part 3.3

10.True or False

Standardized values don’t have any models, although the unique information, the usual deviation, and the imply might every characterize models similar to {dollars}, hours, or kilos.

ANS: T PTS: 1 OBJ: Part 3.4

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