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4434Tree Trunk Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037873
Students randomly sample trees in a forest and record the tree trunk circumferences. Students then use Excel to fit a normal distribution to these data. Used for an activity on continuous probability distributions. This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Fishing Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037845
Students randomly sample fish from a lake and record the length of each fish. Students then use Excel to compute measures of central tendency and dispersion. Used for an activity on the computation of descriptive statistics. This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Pollen Collection Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037868
Students collect air samples and record the number of pollen grains per sample. Students then use Excel to fit a Poisson distribution to these data. Used for an activity on discrete probability distributions. This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Vital Lung Capacity Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037880
Students record vital lung capacity from spirometer charts before and after asthma patients use a bronchodilator. Students then use Excel to test for a significant change in mean vital lung capacity. Used for an activity on the paired-samples Student-t test.This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Ozone Plant Growth Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037884
Students record biomass of plants grown with and without exposure to ozone. Students then use Excel to test for a significant difference in the means of plant biomass. Used for an activity on the Student-t test for two independent samples.This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Blood Groups Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037904
Students randomly sample individuals from three different ethnic groups and record their ABO blood types. Students then use Excel to test for an association between blood group and ethnicity. Used for an activity on the analysis of data from a contingency table.This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Finch Beaks Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037896
Students randomly sample finches from six different islands and record depths of the birds' beaks. Students then use Excel to test for differences in mean beak sizes among islands. Used for an activity on one factor analysis of variance (ANOVA).This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Pupa Weight Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037918
Students randomly sample male and female flour beetle pupa grown on three types of media and record the weight and sex of each insect. Students then use Excel to test for effects on mean weight due to type of media, sex, and the interaction between these two factors. Used for an activity on two factor analysis of variance (ANOVA).This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Leaf Photosynthesis Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037920
Students record the rates of photosynthesis for leaves under different light intensities. Students then use Excel to fit a line to predict and evaluate photosynthetic rate as a linear function of light intensity. Used for an activity on linear regression analysis.This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.Spousal Heights Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=1037910
Students record the heights of male and female spouses. Students then use Excel to test for a correlation in heights of married couples. Used for an activity on correlation analysis.This applet was developed as part of a first course on biostatistics. It is used as part of a series of online lab activties for that course.