The value of test statistic is 5.45
Data;
- n1 = 25
- n2 = 30
- x1 = 6.2
- x2 = 3.8
- s1 = 2
- s2 = 1
<h3>Test Statistic</h3>
The formula to calculate the test statistic is given as

Let's substitute the values and solve for t

The value of test statistic is 5.45
Learn more on test statistic here;
brainly.com/question/15980493
Answer:
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Step-by-step explanation:
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Subtract 6 on both sides


Multiply -2 on both sides to get "x" by itself

x = -8
Answer:
1, unless you draw it on a sphere, in which case it can have three.