HW: Pg. 86-87 # 34-36, 43-45, 61. HW: Pg. 95-97 # 14-58 eoe, 59.

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Presentation transcript:

HW: Pg # 34-36, 43-45, 61

HW: Pg # eoe, 59

Pg. 89 #1-10

Pg. 106 #1-4

2.5 Correlation and Best-Fitting Lines TelephonesDescribe the correlation shown by each scatter plot. Positive correlation, increasing slope Negative correlation, decreasing slope

2.5 Animated Activity Online CORRELATION OF X & Y: 2_2007_na/resources/applications/animatio ns/explore_learning/chapter_2/dswmedia/5_ 4_correlations.html

2.5 Correlation and Best-Fitting Lines For each scatter plot, (a) tell whether the data have a positive correlation, a negative correlation, or approximately no correlation, and (b) tell whether the correlation coefficient is closest to –1, – 0.5, 0, 0.5, or ANSWER 1. (a) positive correlation 1. (b) r = ANSWER 2. (a) negative correlation 2. (b) r = –1 3. ANSWER 3. (a) no correlation 3. (b) r = 0

2.5 Correlation and Best-Fitting Lines

ANSWER Draw a scatter plot and approximate the best-fitting line for the data.

2.5 Animated Activity Online GRAY WHALE MIGRATION: 2_2007_na/resources/applications/animatio ns/explore_learning/chapter_2/dswmedia/al g207_ch02_pg111.html

Homework: Pg # 8-20e

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