Question

In: Statistics and Probability

In a study of reaction times of dogs to a specific stimulus, an animal trainer obtained...

In a study of reaction times of dogs to a specific stimulus, an animal trainer obtained the following data, given in seconds. 3.9 8.2 6.3 8.3 5.2 4.9 7.5 6.9 5.0 7.1 7.0 7.4 5.5 4.6 6.4 6.7 8.5 6.6 7.3 4.3 5.1 8.5 2.5 6.6 6.2 7.9 7.3 3.3 7.2 7.9 7.5 7.7 5.0 5.3 4.1 7.2 8.7 6.6 6.0 3.7 6.3 9.0 7.2 9.5 2.1 3.1 7.2 8.5 4.5 7.8 8.1 4.9 3.5 5.2 6.0 2.8 8.0 8.6 6.1 8.7 7.3 9.4 7.3 4.3 4.8 4.4 4.8 4.4 4.8 4.4   
(i) Estimate the number of classes and class width using the Surges’ Rule and corrected to one decimal place (ii) Construct a grouped frequency distribution for the given data. (iii) Compute the mean, median, mode and the standard deviation. (iv) Compute the coefficients of variation

Solutions

Expert Solution

orchestra answered 2 years ago
Next > < Previous

Related Solutions

In a study of reaction times of dogs to a specific stimulus, an animal trainer obtained...
In a study of reaction times of dogs to a specific stimulus, an animal trainer obtained the following data, given in seconds. 3.9 8.2 6.3 8.3 5.2 4.9 7.5 6.9 5.0 7.1 7.0 7.4 5.5 4.6 6.4 6.7 8.5 6.6 7.3 4.3 5.1 8.5 2.5 6.6 6.2 7.9 7.3 3.3 7.2 7.9 7.5 7.7 5.0 5.3 4.1 7.2 8.7 6.6 6.0 3.7 6.3 9.0 7.2 9.5 2.1 3.1 7.2 8.5 4.5 7 8 8.1 4.9 3.5 5.2 6.0 2.8 8.0...
2. In a study of reaction times to a visual stimulus and the response time to...
2. In a study of reaction times to a visual stimulus and the response time to an auditory stimulus were recorded for each of 10 subjects. Time's were measured in thousandths of a second Visual Auditory 161 159 203 206 235 241 176 163 201 197 188 193 228 209 211 189 191 169 178 201 a) Compute the least Squares regression line for predicting auditory response time from visual response time. b) Construct a 95% confidence interval for the...
Fast reactions: In a study of reaction times, the time to respond to a visual stimulus...
Fast reactions: In a study of reaction times, the time to respond to a visual stimulus x and the time to respond to an auditory stimulus y were recorded for each of 6subjects. Times were measured in thousandths of a second. The results are presented in the following table. Visual Auditory 138 135 130 114 131 120 110 106 101 142 107 145 Send data to Excel Use the -value method to test =:H0β10 versus <:H1β10. Can you conclude that...
A veterinarian wants to perform a study at a local animal shelter where 200 dogs need...
A veterinarian wants to perform a study at a local animal shelter where 200 dogs need training on behavior modification. The purpose of the study would be to determine if using a firm voice during training for 10 minutes improves a dog’s learning behavior compared to not speaking during training for 10 minutes. 1. Describe an appropriate design for the study. 2. The hypotheses for this study are as follows: H0: There is no difference in the mean improvement of...
Study Questions Imagine that you are breeding a specific type of plant or animal and there...
Study Questions Imagine that you are breeding a specific type of plant or animal and there is a characteristic (a phenotypic trait) that you want your breed to have, but it is a recessive trait in that species and none of the current generation you have to work with display the desired phenotype. Is it possible to devise a breeding plan that will result in that characteristic becoming universal among each subsequent generation? Try to imagine a hypothetical breeding population...
Explain the specific contribution of animal models to the study of humans in science in connection...
Explain the specific contribution of animal models to the study of humans in science in connection with the theory of evolution. A neurotransmitter released into the synaptic space can bind to postsynaptic receptors. List four other possible scenarios following the release of the neurotransmitter into the synaptic cleft.
Animal Physiology Question 1. How do sensory neurons encode stimulus modality (i.e. type of stimulus), stimulus...
Animal Physiology Question 1. How do sensory neurons encode stimulus modality (i.e. type of stimulus), stimulus location, stimulus intensity and stimulus duration? Provide the level of detail necessary to understand these concepts, for hearing specifically. How does your brain distinguish low vs. high frequency sounds?
Animal Physiology Question 1. Dynamic Range is the range of stimulus intensities over which a receptor...
Animal Physiology Question 1. Dynamic Range is the range of stimulus intensities over which a receptor can respond. Receptors that have a smaller (or narrower) dynamic range have much better discrimination of changes in stimulus intensity than receptors that have a large dynamic range (although I can’t test figures here, you should be able to draw a neuron with a wide vs. narrow dynamic range). Please explain the trade-off between dynamic range and discrimination using the relationship between number of...
A simple random sample of 12 reaction times of helicopter pilots is selected. The reaction times...
A simple random sample of 12 reaction times of helicopter pilots is selected. The reaction times have a normal distribution. The sample mean is 1.67 sec with a standard deviation of 0.16 sec. Construct a 90% confidence interval for the population standard deviation. 1. 0.11 < σ < 0.23 2. 0.01 < σ < 0.05 3. 0.12 < σ < 0.25 4. 0.13 < σ < 0.22
A animal behaviorist wants to know how exercise affects behavior of aggressive dogs. She finds a...
A animal behaviorist wants to know how exercise affects behavior of aggressive dogs. She finds a sample of 30 aggressive dogs and randomly divides them into three groups. Over one week, one group is exercised for 20 minute per day, one for one hour per day, and one for 2 hours per day. The number of aggressive behaviors (lunging, biting, snarling, etc.) is recorded for the dogs in each group. State the population(s) of interest. Identify the parameter(s) of interest....
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT