Midterm

Question 1

What percentage of data points are found within +/- 2 standard deviations.

Answer 1

95%

Question 2

What percentage of data points are not found within +/- 2 standard deviations.

Answer 2

5%

Question 3

List Three of Two of the requirements fora a t-test.

Answer 3

• the individual observations (data) are independent from each other
• the distribution of the observations is continuous
• the observations (data) are normally distributed.

Question 4

True or False Red Petals and Purple are separated is this continuous data

Answer 4

Categorical False

Question 5

True or False A change in temperature during a three month period is Continous datat.

Answer 5

True

Question 6

A P-Value is a …….

Answer 6

The Probability level of a given result is known

Question 7

Table Captions are located below the…..

Answer 7

the Figure

Question 8

Legends are located ….

Answer 8

Above the table

Question 9

How are Table and figures numbered in a scientific paper.

Answer 9

Independently and in a sequence found in text.

Question 10

True or False You should specify what an error bar represent in the figure legend.

Answer 10

True

Question 11

The materials and methods section can be written in active and passive voice? T or F

Answer 11

F

Question 12

You should include where the study was carried out in your Materials and Methods? T or F

Answer 12

T

Question 13

You should indicate the statistical procedures used to analyze your results? T or F

Answer 13

T

Question 14

You should also indicate the computer program in which you use to get you calculations.

Answer 14

T

Question 15

What are Independent and dependent variables ?

Answer 15

Independent- Does not rely on other factors

Dependent-Relies on other factor(Data)

Question 16

What is Standard Deviation.

Answer 16

The Standard Deviation measures how much the Data Deviates from the simple mean.

Question 17

Differences Between SD and SEM.

Answer 17

• The SD quantifies scatter — how much the values vary from one another.

While,

• The SEM quantifies how precisely you know the true mean of the population. It takes into account both the value of the SD and the sample size.

Question 18

When The SEM decreases what happens to the “n”?

Answer 18

The “n” increases.

Question 19

T or F You should show direction and magnitude for the results Section.

Answer 19

True

Question 20

List some things you should not do in the results section of a scientific paper.

Answer 20

Interpret Data- That is for the discussion section.

Present the data in both table and figure- That is redundant.

Question 21

Parametric test

Answer 21

A test that assumes the data conforms to the intended curve