Elements of Statistics

2.3 Content Proficiency Test

Instructions

After studying and reviewing the concepts and practices of workshop 3, answer all the questions provided about the concepts of Module 3: measures of central tendency. 

1. A psychologist applies a general knowledge test to enter high school, which consists of 270 questions applied to 70 candidates to enter that level, focusing on criminal justice. With the test results presented below, considering that they represent the number of correctly answered questions of each candidate, using US Excel calculate the central tendency measures for grouped data (mean, mode, median), first developing a frequency distribution table with 8 intervals.

75     89   135  173  184  196  207  75  100  128  164  175   188   209    72    105  137  164  175  190  210  73  109  140  177   175  193   211  75    111  147  168  179  192  217  85  111  148  168   179  193   228 85    115  151  169  182  197  231  85  120  158  169   183  200   237  92    121  160  170  185  203  246  99  124  160  172   185  205   255

2. Consider the following aspects when submitting your test:

3. Present your answers with the aspects learned about measures of central tendency.

Contribute a minimum of 2 pages. It should include at least 2 academic sources, formatted and cited in APA.

Submission Instructions:

· Submit your assignment by 11:59 PM Eastern on Sunday.

· Review the rubric to determine how your assignment will be graded.

· Your assignment will be run through TurnItIn to check for plagiarism.