Link to StatCrunch Find the mean for the following frequency table.  (Round to 2 decimal places.) Hours Teenagers Spend on Video Games Number of Teenagers 0 – 3.5 3 3.5 – 7.5 7 7.5 – 11.5 12 11.5 – 15.5 7 15.5 – 19.5 9 Mean = [m]

Link to Exam 1 Handout of Formula Link to StatCrunch A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students are absent from class during a quarter.  What is the population she is interested in?

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Link to StatCrunch Find the mean of the following frequency table.    Round to two decimal place. Grade Frequency 49.5 – 59.5 2 59.5 – 69.5 3 69.5 – 79.5 8 79.5 – 89.5 13 89.5 – 99.5 6 Mean = [m]

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The ovaries produce the eggs which then travel down what tube:

Which part of the brain controls balance and coordination:

Link to Exam 1 Handout of Formula Link to StatCrunch A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students are absent from class during a quarter.  Suppose the instructor selects a sample from the population that she is interested in.   The instructor’s sample produces a mean number of days absent of 3.5 days.  This value is an example of a:

The table below shows the amount, in inches, of annual rainfall in a sample of 52 towns. Complete the last column, the cumulative relative frequency column, of the table above.  (Give answers as decimals rounded to 2 decimal places.) Hint:  To find the cumulative relative frequencies, add all the previous relative frequencies to the relative frequency for the current row. For the second row:  cumulative relative frequency = 0.15 + 0.12 = 0.27 Rainfall (Inches) Frequency Relative Frequency Cumulative Relative Frequency 2.95–4.97 8 0.15 0.15 4.97–6.99 6 0.12 0.27 6.99–9.01 16 0.31 [c3] 9.01–11.03 10 0.19 [c4] 11.03–13.05 9 0.17 [c5] 13.05–15.07 3 0.06 [c6] Total = 52 Total = 1.00 What fraction of the 52 towns surveyed get between 11.03 and 13.05 inches of rainfall each year?  (Give answer in the “a/b” fraction form.)  [x]

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