Flashcards in Quicksheets Deck (83)

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1

## Mean is the ______ of the data points, and is heavily impacted by o______.

### average, outliers

2

## Median is the ______ of the data set, and is not affected by ______.

### central value, outliers

3

## Mode is the _____ of the data set.

### most common data point(s)

4

## Standard deviation is a measure of how ______ values are from the _____.

### spread out, mean

5

## For independent events, P(A and B) = __ x __

### P(A) x P(B)

6

## For independent events, P(A or B) =

### P(A) + P(B) - [P(A) x P(B)]

7

## null hypothesis states ________

### hypothesis that there is no relationship between measured phenomena

8

## p-value is the probability that the results were obtained _______, given that _______

### the probability that the results were obtained by change, given that the null hypothesis is true

9

## Confidence interval is the range of values ___________, within a given level of _______

### believed to contain the true value, probability

10

## Hawthorne effect: behavior is modified in response to the awareness of ______

### being observed

11

## Confounder: a variable that relates to _______ is ______.

### the independent and dependent variables, overlooked

12

## To estimate the product, if you round one number up, ___

### round the other down

13

## To estimate the quotient, if you round one number up,

### round the other up

14

## When you take the sq root of a number to an exponent, _____ the exponent

### divide the exponent by two (it is to the power of 1/2)

15

## 7^2, 8^2, 9^2, 10^2

### 49, 64, 81, 100

16

## 11^2, 12^2, 13^2, 14^2, 15^2

### 121, 144, 169, 196, 225

17

## 16^2, 17^2

### 256, 289

18

## 18^2, 19^2

### 324, 361

19

## log (AB) =

### logA + logB

20

## log (A/B) =

### logA - logB

21

## logA^B =

### BlogA

22

## log(1/A) =

### -logA

23

## logx = ____/____

### lnx/2.303

24

## log(n x 10^m) ~

### m + 0.n

25

## Triangle: 1,2,rad3 has angles

###
rad3 opposite 60

2 opposite 90

1 opposite 30

26

## 45, 45, 90 has sides

### 1, 1, rad 2

27

## radical 3 is about

### 1.7

28

## radical 2 is about

### 1.4

29

## The energy of a photon is equal to Planck' constant times ____, and and equivalent statement is ___

###
=hf

=hc/lambda

30