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Study Cards > AP Bio Unit 0 > Flashcards

AP Bio Unit 0 Flashcards

1
Q

Clear, testable statement written in present, tense with practical reasoning

A

Proper hypothesis

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2
Q

There is no significant difference between observed and expected. Any difference is due to chance

A

Null hypothesis

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3
Q

There is statistical difference between what is observed and expected. Difference is not due to chance

A

Alternate hypothesis

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4
Q

Sigma =

A

Summation

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5
Q

How spread out your data is from mean

A

Standard deviation

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6
Q

How accurately the sample mean represents the population mean

A

Standard error of the mean

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7
Q

Smaller group out of whole population

A

Sample size

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8
Q

Average

A

Mean

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9
Q

Midpoint

A

Median

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10
Q

Difference between extremes

A

Range

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11
Q

Number that occurs most often

A

Mode

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12
Q

Number of values and final calculation of statistic that are free to very

A

Degree of freedom

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13
Q

Value you calculate using the formula

A

Chi Square value

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14
Q

Always ___ shows how likely it is that results could’ve been due to chance

A

P Value

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15
Q

If Square value is less than critical value then

A

Fail to reject null hypothesis

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15
Q

From the chart where degrees of freedom and p-value meet

A

Critical value

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16
Q

If Square value is greater than critical value then

A

Reject null hypothesis

17
Q

Graphical representation that displayed the relationship between two continuous variables by blooding individual data point dots

A

Scatter plot

18
Q

Variable that describes characteristics of an organism or can take values representing categories or groups

A

Categorical variable

18
Q

Graphs used to visually compare to samples of categorical data

A

Bar graph

18
Q

Variable that is being influenced by another and what’s measured

A

Dependent variable

19
Q

Variable that are counted or categorized data that helps describe show or summarized data or can take on specific numbers

A

Discrete variable

20
Q

Claim evidence reasoning, used model scientific explanation

A

CER

21
Q

Visual representations on a graph that indicate the variability or uncertainty with data points

A

Error bars

21
Q

Whether any differences observed being studied are real, or if they’re likely just due to chance

A

Statistical significance

22
Q

A group in an experiment that doesn’t receive any type of change and should not show any change during experiment

A

Negative control

22
Q

The group being tested were exposed to the independent variable

A

Experimental group

23
Q

What type of mathematics dealing with collection analysis interpretation presentation or Organization of data

A

Statistics

24
Q

An observation on something that has been confirmed by being tested

A

Theory

24
Q

The group of subjects in an experiment who don’t receive any treatment

A

Control group

25
Q

Scientific test done under controlled conditions, meaning that one or a few factors are changed at a time while others are kept constant

A

Controlled experiment

26
Q
A

Independent variable

27
Q
A

Law

27
Q

Sample or group of experiment that is treated with unknown stimulus, guaranteed to produce a positive result

A

Positive control

28
Q

Factor that is kept constant throughout an experiment, ensuring that any observed changes in the dependent variable are due to manipulation of the independent variable

A

Controlled variable/constant

28
Q
A

Trial

29
Q

A factor trait or condition that exists during different amounts or types within an experiment

A

Variable

30
Q

One that is measured not counted

A

Continuous variable

30
Q

To track certain changes measured on the Y axis over a period of time on the X axis

A

Line graph

31
Q

A straight line on a scatter plot that represents the trend between variables

A

Line of best fit

32
Q

structure format used to organize and record experimental data

A

Data table

33
Q

How something changes over time

A

Rate

Study Cards (13 decks)

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