Which of the following can be used to describe the center of a data set and is NOT affected by extreme values in the data set?
AP Bio Chapter 2 Barron's Study Guide Practice

Quiz
•
MARIE ESTELLE
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Biology
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9th - 12th Grade
•
3 plays
•
Medium
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
mean
median
standard deviation
standard error of the mean
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data Set A consists of {10,15,15,20,25}. Data Set B consists of {15,15,17,19,19}. Which of the following descriptive statistics is the same for both data set A and data set B?
mean
median
standard deviation
standard error of the mean
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The chi-square test is appropriate to compare which of the following types of data?
means
percentages
processed data
raw data
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a dihybrid cross of two organisms (AaBb x AaBb), four different phenotypes of offspring can be produced. How many degrees of freedom would there be?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In pea plants, the tall (T) allele is dominant to the dwarf (t) allele. Two heterozygous (Tt) pea plants are crossed and produce 400 offspring. Three hundred offspring are expected to be tall, and 100 are expected to be short. There hundred offspring are expected to be tall, and 100 are expected. There are 290 tall offspring observed and 110 dwarf off spring observed. Calculate the chi-square value from this data (using a p-value of 0.05), and state whether there is likely a statistically significant difference between the observed and expected data.
The chi-square value is 0.67. There is a statistically significant difference between the observed and expected date.
The chi-square value is 0.67. There is NOT statistically significant difference between the observed and expected data.
The chi-square value is 1.33 . There is statistically significant difference between the observed and expected data.
The chi-square is 1.33. There is NOT a statistically significant difference between the observed and expected data.
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