Explain how computer programs help us examine distributions of data.
What will be an ideal response?
Many computer programs can help us create or calculate the statistics we want to use to examine our data. Two common programs discussed in this text are Excel and SPSs. These programs can make the creation/calculation of statistics easier and reduce the chance for errors in calculation. However, we will still need to understand what is being calculated in each type of statistic in order to accurately interpret our results.
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Some pregnant women may be concerned about amniocentesis because it __________.
A. has a very high risk of harm to the mother B. has a very high risk of pregnancy termination C. has a slight risk of injury to the mother or pregnancy termination D. is an unreliable source of information about fetal health
In a ¬¬_____, bars on the graph are separated from each other by a space, and in a _____, bars on the graph touch each other
a. frequency polygon; bar graph b. bar graph; histogram c. histogram; frequency polygon d. histogram; bar graph
Evoked potentials in the brain are most likely to be detected by a(n) ____
a. CAT scan b. MRI c. EEG d. PET scan
Instruction based on encouraging students to investigate and construct knowledge for themselves is called
a. recitation. b. rote learning. c. direct instruction. d. discovery learning.