Question

Using traditional methods, it takes 9.5 hours to receive a basic flying license. A new license training method using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique with 15 students and observed that they had a mean of 10.0 hours with a standard deviation of 1.6. A level of significance of 0.1 will be used to determine if the technique performs differently than the traditional method. Assume the population distribution is approximately normal. Make the decision to reject or fail to reject the null hypothesis.

Answer #1

Using traditional methods it takes 94.094.0 hours to receive a
basic flying license. A new license training method using Computer
Aided Instruction (CAI) has been proposed. A researcher used the
technique on 7070 students and observed that they had a mean of
92.092.0 hours. Assume the standard deviation is known to be
6.06.0. Is there evidence at the 0.050.05 level that the technique
performs differently than the traditional method?
Step 1 of 5:
Enter the hypotheses:
Using traditional methods it...

Using traditional methods, it takes 10.0 hours to receive a
basic flying license. A new license training method using Computer
Aided Instruction (CAI) has been proposed. A researcher used the
technique with 16 students and observed that they had a mean of
10.2 hours with a standard deviation of 1.6. A level of
significance of 0.05 will be used to determine if the technique
performs differently than the traditional method. Assume the
population distribution is approximately normal. Find the value...

Using traditional methods, it takes 11.8 hours to receive a
basic flying license. A new license training method using Computer
Aided Instruction (CAI) has been proposed. A researcher used the
technique with 13 students and observed that they had a mean of
11.9 hours with a standard deviation of 1.2. A level of
significance of 0.1 will be used to determine if the technique
performs differently than the traditional method. Assume the
population distribution is approximately normal. State the null...

Using traditional methods, it takes 10.5 hours to receive a
basic flying license. A new license training method using Computer
Aided Instruction (CAI) has been proposed. A researcher used the
technique with 10 students and observed that they had a mean of
10.2 hours with a standard deviation of 1.3. A level of
significance of 0.1 will be used to determine if the technique
performs differently than the traditional method. Assume the
population distribution is approximately normal. State the null...

Using traditional methods, it takes 10.5 hours to receive a
basic flying license. A new license training method using Computer
Aided Instruction (CAI) has been proposed. A researcher used the
technique with 10 students and observed that they had a mean of
10.2 hours with a standard deviation of 1.3. A level of
significance of 0.1 will be used to determine if the technique
performs differently than the traditional method. Assume the
population distribution is approximately normal. State the null...

Using traditional methods, it takes 8.6 hours to receive a basic
flying license. A new license training method using Computer Aided
Instruction (CAI) has been proposed. A researcher used the
technique with 11 students and observed that they had a mean of 8.8
hours with a standard deviation of 1.7. A level of significance of
0.05 will be used to determine if the technique performs
differently than the traditional method. Assume the population
distribution is approximately normal. Make the decision...

Using traditional methods, it takes 9.5 hours to receive a basic
driving license. A new license training method using Computer Aided
Instruction (CAI) has been proposed. A researcher used the
technique with 13 students and observed that they had a mean of 9.3
hours with a variance of 3.61. A level of significance of 0.05 will
be used to determine if the technique performs differently than the
traditional method. Assume the population distribution is
approximately normal.
Make the decision to...

Using traditional methods, it takes 9.6 hours to receive a basic
driving license. A new license training method using Computer Aided
Instruction (CAI) has been proposed. A researcher used the
technique with 16 students and observed that they had a mean of 9.5
hours with a standard deviation of 1.6. A level of significance of
0.1. will be used to determine if the technique performs
differently than the traditional method. Assume the population
distribution is approximately normal. State the null...

Using traditional methods, it takes 94 hours to receive a basic
flying license. A new license training method using Computer Aided
Instruction (CAI) has been proposed. A researcher used the
technique with 80 students and observed that they had a mean of 92
hours. Assume the standard deviation is known to be 6. A level of
significance of 0.05 will be used to determine if the technique
performs differently than the traditional method. Is there
sufficient evidence to support the...

Using traditional methods, it takes 10.4 hours to receive a
basic flying license. A new license training method using
Computer-Aided Instruction (CAI) has been proposed. A researcher
used the technique with 9 students and observed that they had a
mean of 10.7 hours with a variance of 1.44. A level of significance
of 0.1 will be used to determine if the technique performs
differently than the traditional method. Assume the population
distribution is approximately normal. Find the value of the...

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